GATE 2013 Answer Key
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GATE 2013 Answer Key is available here for free download. Published by IIT for Graduate Aptitude Test in Engineering, this answer key can be viewed online or downloaded as a PDF (30 pages). Candidates preparing for Graduate Aptitude Test in Engineering can use GATE 2013 Answer Key to understand the exam pattern, the type of questions asked, and the overall difficulty level.
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Page 1
GATE 2013 : Answer keys for AE - Aerospace Engineering
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
AE 1 D AE 36 C
AE 2 A AE 37 C
AE 3 A AE 38 A
AE 4 0 AE 39 B
AE 5 D AE 40 B
AE 6 C AE 41 1900 to 2000
AE 7 C AE 42 B
AE 8 A AE 43 70
AE 9 B AE 44 A
AE 10 A AE 45 B
AE 11 B AE 46 A
AE 12 A AE 47 B
AE 13 B AE 48 B
AE 14 1 AE 49 C
AE 15 0.2 AE 50 A
AE 16 Marks to All AE 51 D
AE 17 0.12 to 0.13 AE 52 Marks to All
AE 18 D AE 53 Marks to All
AE 19 D AE 54 D
AE 20 0.3 to 0.35 AE 55 C
AE 21 D AE 56 B
AE 22 D AE 57 C
AE 23 B AE 58 C
AE 24 B AE 59 D
AE 25 A AE 60 B
AE 26 0 AE 61 C
AE 27 B AE 62 C
AE 28 D AE 63 C
AE 29 A AE 64 B
AE 30 9 to 10 AE 65 C
AE 31 C
AE 32 -0.23 to -0.24
AE 33 1
AE 34 D
AE 35 C
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
AE 1 D AE 36 C
AE 2 A AE 37 C
AE 3 A AE 38 A
AE 4 0 AE 39 B
AE 5 D AE 40 B
AE 6 C AE 41 1900 to 2000
AE 7 C AE 42 B
AE 8 A AE 43 70
AE 9 B AE 44 A
AE 10 A AE 45 B
AE 11 B AE 46 A
AE 12 A AE 47 B
AE 13 B AE 48 B
AE 14 1 AE 49 C
AE 15 0.2 AE 50 A
AE 16 Marks to All AE 51 D
AE 17 0.12 to 0.13 AE 52 Marks to All
AE 18 D AE 53 Marks to All
AE 19 D AE 54 D
AE 20 0.3 to 0.35 AE 55 C
AE 21 D AE 56 B
AE 22 D AE 57 C
AE 23 B AE 58 C
AE 24 B AE 59 D
AE 25 A AE 60 B
AE 26 0 AE 61 C
AE 27 B AE 62 C
AE 28 D AE 63 C
AE 29 A AE 64 B
AE 30 9 to 10 AE 65 C
AE 31 C
AE 32 -0.23 to -0.24
AE 33 1
AE 34 D
AE 35 C
Page 2
GATE 2013 : Answer keys for AG - Agricultural Engineering
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
AG 1 B AG 36 D
AG 2 A AG 37 C
AG 3 B AG 38 A
AG 4 D AG 39 B
AG 5 C AG 40 A
AG 6 D AG 41 C
AG 7 C AG 42 B
AG 8 D AG 43 C
AG 9 D AG 44 A
AG 10 C AG 45 A
AG 11 B AG 46 D
AG 12 A AG 47 D
AG 13 C AG 48 A
AG 14 B AG 49 B
AG 15 A AG 50 B
AG 16 A AG 51 C
AG 17 B AG 52 D
AG 18 D AG 53 C
AG 19 B AG 54 C
AG 20 C AG 55 A
AG 21 A AG 56 B
AG 22 B AG 57 C
AG 23 D AG 58 C
AG 24 C AG 59 D
AG 25 C AG 60 B
AG 26 0.08 to 0.09 AG 61 C
AG 27 14.4 to 14.6 AG 62 C
AG 28 47.4 to 47.5 AG 63 C
AG 29 1100000 AG 64 B
AG 30 690 to 695 AG 65 C
AG 31 4000
AG 32 4 to 4.2
AG 33 3.25 to 3.35
AG 34 B
AG 35 B
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
AG 1 B AG 36 D
AG 2 A AG 37 C
AG 3 B AG 38 A
AG 4 D AG 39 B
AG 5 C AG 40 A
AG 6 D AG 41 C
AG 7 C AG 42 B
AG 8 D AG 43 C
AG 9 D AG 44 A
AG 10 C AG 45 A
AG 11 B AG 46 D
AG 12 A AG 47 D
AG 13 C AG 48 A
AG 14 B AG 49 B
AG 15 A AG 50 B
AG 16 A AG 51 C
AG 17 B AG 52 D
AG 18 D AG 53 C
AG 19 B AG 54 C
AG 20 C AG 55 A
AG 21 A AG 56 B
AG 22 B AG 57 C
AG 23 D AG 58 C
AG 24 C AG 59 D
AG 25 C AG 60 B
AG 26 0.08 to 0.09 AG 61 C
AG 27 14.4 to 14.6 AG 62 C
AG 28 47.4 to 47.5 AG 63 C
AG 29 1100000 AG 64 B
AG 30 690 to 695 AG 65 C
AG 31 4000
AG 32 4 to 4.2
AG 33 3.25 to 3.35
AG 34 B
AG 35 B
Page 3
GATE 2013 : Answer keys for AR - Architecture and Planning
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
AR 1 A AR 36 A
AR 2 B AR 37 B
AR 3 D AR 38 D
AR 4 A AR 39 D
AR 5 B AR 40 A
AR 6 A AR 41 20
AR 7 D AR 42 3.4 to 3.6
AR 8 D AR 43 0.5 to 0.6
AR 9 C AR 44 13 to 14
AR 10 D AR 45 12 to 13
AR 11 A AR 46 105 to 107
AR 12 C AR 47 1
AR 13 C AR 48 C
AR 14 A AR 49 A
AR 15 A AR 50 A
AR 16 B AR 51 A
AR 17 A AR 52 C
AR 18 B AR 53 D
AR 19 A AR 54 D
AR 20 Marks to All AR 55 A
AR 21 C AR 56 D
AR 22 A AR 57 B
AR 23 D AR 58 C
AR 24 A AR 59 B
AR 25 D AR 60 C
AR 26 D AR 61 A
AR 27 B AR 62 B
AR 28 D AR 63 D
AR 29 A AR 64 A
AR 30 C AR 65 D
AR 31 A
AR 32 D
AR 33 B
AR 34 D
AR 35 Marks to All
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
AR 1 A AR 36 A
AR 2 B AR 37 B
AR 3 D AR 38 D
AR 4 A AR 39 D
AR 5 B AR 40 A
AR 6 A AR 41 20
AR 7 D AR 42 3.4 to 3.6
AR 8 D AR 43 0.5 to 0.6
AR 9 C AR 44 13 to 14
AR 10 D AR 45 12 to 13
AR 11 A AR 46 105 to 107
AR 12 C AR 47 1
AR 13 C AR 48 C
AR 14 A AR 49 A
AR 15 A AR 50 A
AR 16 B AR 51 A
AR 17 A AR 52 C
AR 18 B AR 53 D
AR 19 A AR 54 D
AR 20 Marks to All AR 55 A
AR 21 C AR 56 D
AR 22 A AR 57 B
AR 23 D AR 58 C
AR 24 A AR 59 B
AR 25 D AR 60 C
AR 26 D AR 61 A
AR 27 B AR 62 B
AR 28 D AR 63 D
AR 29 A AR 64 A
AR 30 C AR 65 D
AR 31 A
AR 32 D
AR 33 B
AR 34 D
AR 35 Marks to All
Page 4
GATE 2013 : Answer keys for BT - Biotechnology
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
BT 1 D BT 36 B
BT 2 C BT 37 B
BT 3 B BT 38 B
BT 4 D BT 39 C
BT 5 C BT 40 B
BT 6 A BT 41 B
BT 7 B BT 42 A
BT 8 A BT 43 5
BT 9 B BT 44 45
BT 10 B BT 45 0.075 to 0.085
BT 11 D BT 46 76.7 to 76.9
BT 12 A BT 47 0.1
BT 13 C BT 48 A
BT 14 B BT 49 Marks to All
BT 15 C BT 50 D
BT 16 B BT 51 A
BT 17 A BT 52 C
BT 18 D BT 53 D
BT 19 A BT 54 A
BT 20 C BT 55 B
BT 21 0.5 BT 56 B
BT 22 18 BT 57 C
BT 23 45 BT 58 C
BT 24 66.5 to 66.7 BT 59 D
BT 25 0.81 to 0.91 BT 60 B
BT 26 B BT 61 C
BT 27 C BT 62 C
BT 28 A BT 63 C
BT 29 A BT 64 B
BT 30 D BT 65 C
BT 31 B
BT 32 C
BT 33 A
BT 34 D
BT 35 A
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
BT 1 D BT 36 B
BT 2 C BT 37 B
BT 3 B BT 38 B
BT 4 D BT 39 C
BT 5 C BT 40 B
BT 6 A BT 41 B
BT 7 B BT 42 A
BT 8 A BT 43 5
BT 9 B BT 44 45
BT 10 B BT 45 0.075 to 0.085
BT 11 D BT 46 76.7 to 76.9
BT 12 A BT 47 0.1
BT 13 C BT 48 A
BT 14 B BT 49 Marks to All
BT 15 C BT 50 D
BT 16 B BT 51 A
BT 17 A BT 52 C
BT 18 D BT 53 D
BT 19 A BT 54 A
BT 20 C BT 55 B
BT 21 0.5 BT 56 B
BT 22 18 BT 57 C
BT 23 45 BT 58 C
BT 24 66.5 to 66.7 BT 59 D
BT 25 0.81 to 0.91 BT 60 B
BT 26 B BT 61 C
BT 27 C BT 62 C
BT 28 A BT 63 C
BT 29 A BT 64 B
BT 30 D BT 65 C
BT 31 B
BT 32 C
BT 33 A
BT 34 D
BT 35 A
Page 5
GATE 2013 : Answer keys for CE - Civil Engineering
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
CE 1 0.5 CE 36 D
CE 2 16 CE 37 A
CE 3 D CE 38 A
CE 4 B CE 39 A
CE 5 C CE 40 D
CE 6 A CE 41 B
CE 7 46 to 47 CE 42 B
CE 8 A CE 43 127 to 132
CE 9 D CE 44 A
CE 10 0 CE 45 D
CE 11 70 to 72 CE 46 D
CE 12 C CE 47 641.9 to 642.3
CE 13 C CE 48 25
CE 14 C CE 49 60
CE 15 C CE 50 308 to 311
CE 16 A CE 51 106 to 107
CE 17 C CE 52 Marks to All
CE 18 B CE 53 Marks to All
CE 19 C CE 54 A
CE 20 B CE 55 D
CE 21 143 to 145 CE 56 D
CE 22 C CE 57 B
CE 23 Marks to All CE 58 C
CE 24 B CE 59 B
CE 25 D CE 60 C
CE 26 A CE 61 A
CE 27 0.52 to 0.55 CE 62 B
CE 28 B CE 63 D
CE 29 6 CE 64 A
CE 30 3.8 CE 65 D
CE 31 25
CE 32 0.785 to 0.786
CE 33 1310 to 1313
CE 34 C
CE 35 85.5 to 86.5
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
CE 1 0.5 CE 36 D
CE 2 16 CE 37 A
CE 3 D CE 38 A
CE 4 B CE 39 A
CE 5 C CE 40 D
CE 6 A CE 41 B
CE 7 46 to 47 CE 42 B
CE 8 A CE 43 127 to 132
CE 9 D CE 44 A
CE 10 0 CE 45 D
CE 11 70 to 72 CE 46 D
CE 12 C CE 47 641.9 to 642.3
CE 13 C CE 48 25
CE 14 C CE 49 60
CE 15 C CE 50 308 to 311
CE 16 A CE 51 106 to 107
CE 17 C CE 52 Marks to All
CE 18 B CE 53 Marks to All
CE 19 C CE 54 A
CE 20 B CE 55 D
CE 21 143 to 145 CE 56 D
CE 22 C CE 57 B
CE 23 Marks to All CE 58 C
CE 24 B CE 59 B
CE 25 D CE 60 C
CE 26 A CE 61 A
CE 27 0.52 to 0.55 CE 62 B
CE 28 B CE 63 D
CE 29 6 CE 64 A
CE 30 3.8 CE 65 D
CE 31 25
CE 32 0.785 to 0.786
CE 33 1310 to 1313
CE 34 C
CE 35 85.5 to 86.5
Page 6
GATE 2013 : Answer keys for CH - Chemical Engineering
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
CH 1 B CH 36 C
CH 2 0.082 to 0.084 CH 37 66 to 67
CH 3 B CH 38 A
CH 4 D CH 39 1.14 to 1.16
CH 5 3 CH 40 1
CH 6 C CH 41 51 to 53
CH 7 D CH 42 D
CH 8 B CH 43 D
CH 9 26000 CH 44 A
CH 10 B CH 45 1.47 to 1.49
CH 11 A CH 46 1010000 to 1050000
CH 12 D CH 47 215 to 220
CH 13 C CH 48 3.2 to 3.4
CH 14 A CH 49 0.25 to 0.27
CH 15 160 CH 50 20
CH 16 D CH 51 90
CH 17 D CH 52 A
CH 18 5.6 to 5.8 CH 53 C
CH 19 B CH 54 C
CH 20 D CH 55 B
CH 21 0.62 to 0.64 CH 56 B
CH 22 0.5 CH 57 C
CH 23 0.5 CH 58 C
CH 24 C CH 59 D
CH 25 B CH 60 B
CH 26 -0.25 CH 61 C
CH 27 B CH 62 C
CH 28 C CH 63 C
CH 29 0.38 to 0.39 CH 64 B
CH 30 D CH 65 C
CH 31 0.06 to 0.08
CH 32 137500
CH 33 C
CH 34 69 to 72
CH 35 21 to 22
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
CH 1 B CH 36 C
CH 2 0.082 to 0.084 CH 37 66 to 67
CH 3 B CH 38 A
CH 4 D CH 39 1.14 to 1.16
CH 5 3 CH 40 1
CH 6 C CH 41 51 to 53
CH 7 D CH 42 D
CH 8 B CH 43 D
CH 9 26000 CH 44 A
CH 10 B CH 45 1.47 to 1.49
CH 11 A CH 46 1010000 to 1050000
CH 12 D CH 47 215 to 220
CH 13 C CH 48 3.2 to 3.4
CH 14 A CH 49 0.25 to 0.27
CH 15 160 CH 50 20
CH 16 D CH 51 90
CH 17 D CH 52 A
CH 18 5.6 to 5.8 CH 53 C
CH 19 B CH 54 C
CH 20 D CH 55 B
CH 21 0.62 to 0.64 CH 56 B
CH 22 0.5 CH 57 C
CH 23 0.5 CH 58 C
CH 24 C CH 59 D
CH 25 B CH 60 B
CH 26 -0.25 CH 61 C
CH 27 B CH 62 C
CH 28 C CH 63 C
CH 29 0.38 to 0.39 CH 64 B
CH 30 D CH 65 C
CH 31 0.06 to 0.08
CH 32 137500
CH 33 C
CH 34 69 to 72
CH 35 21 to 22
Page 7
GATE 2013 : Answer keys for CS - Computer Science and Information Technology
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
CS 1 A C D C
CS 2 C C C C
CS 3 A D B C
CS 4 B A B B
CS 5 A D A C
CS 6 B A C A
CS 7 C C B C
CS 8 A A A A
CS 9 B C B D
CS 10 B B A A
CS 11 C C C D
CS 12 C C A C
CS 13 D C C C
CS 14 C D C A
CS 15 C C D C
CS 16 B B A A
CS 17 C B D B
CS 18 A A A A
CS 19 C C C B
CS 20 A B A C
CS 21 D A C A
CS 22 A B B B
CS 23 D A C B
CS 24 C C C C
CS 25 C A C D
CS 26 A Marks to All B C
CS 27 D B A A
CS 28 D B D C
CS 29 D A D D
CS 30 C D D D
CS 31 B Marks to All B Marks to All
CS 32 D D C D
CS 33 D D D B
CS 34 D C D A
CS 35 A A A B
Page 1 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
CS 1 A C D C
CS 2 C C C C
CS 3 A D B C
CS 4 B A B B
CS 5 A D A C
CS 6 B A C A
CS 7 C C B C
CS 8 A A A A
CS 9 B C B D
CS 10 B B A A
CS 11 C C C D
CS 12 C C A C
CS 13 D C C C
CS 14 C D C A
CS 15 C C D C
CS 16 B B A A
CS 17 C B D B
CS 18 A A A A
CS 19 C C C B
CS 20 A B A C
CS 21 D A C A
CS 22 A B B B
CS 23 D A C B
CS 24 C C C C
CS 25 C A C D
CS 26 A Marks to All B C
CS 27 D B A A
CS 28 D B D C
CS 29 D A D D
CS 30 C D D D
CS 31 B Marks to All B Marks to All
CS 32 D D C D
CS 33 D D D B
CS 34 D C D A
CS 35 A A A B
Page 1 of 2
Page 8
GATE 2013 : Answer keys for CS - Computer Science and Information Technology
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
CS 36 B C D Marks to All
CS 37 C B Marks to All D
CS 38 A A B A
CS 39 C D B D
CS 40 D D A D
CS 41 D D D C
CS 42 Marks to All B Marks to All B
CS 43 D C D D
CS 44 A D D D
CS 45 B D C D
CS 46 B A C A
CS 47 Marks to All D A B
CS 48 B B B C
CS 49 B C B B
CS 50 B B C B
CS 51 C B B B
CS 52 C B C B
CS 53 C A C A
CS 54 B C B C
CS 55 A C A C
CS 56 B A A C
CS 57 A A C C
CS 58 C B A A
CS 59 A C C B
CS 60 C C B A
CS 61 B D C B
CS 62 D C B D
CS 63 D B D C
CS 64 C B D B
CS 65 B D B D
Page 2 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
CS 36 B C D Marks to All
CS 37 C B Marks to All D
CS 38 A A B A
CS 39 C D B D
CS 40 D D A D
CS 41 D D D C
CS 42 Marks to All B Marks to All B
CS 43 D C D D
CS 44 A D D D
CS 45 B D C D
CS 46 B A C A
CS 47 Marks to All D A B
CS 48 B B B C
CS 49 B C B B
CS 50 B B C B
CS 51 C B B B
CS 52 C B C B
CS 53 C A C A
CS 54 B C B C
CS 55 A C A C
CS 56 B A A C
CS 57 A A C C
CS 58 C B A A
CS 59 A C C B
CS 60 C C B A
CS 61 B D C B
CS 62 D C B D
CS 63 D B D C
CS 64 C B D B
CS 65 B D B D
Page 2 of 2
Page 9
GATE 2013 : Answer keys for CY - Chemistry
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
CY 1 D CY 36 90 to 95
CY 2 C CY 37 4500 to 4800
CY 3 4.4 to 4.6 CY 38 B
CY 4 6 to 6.5 CY 39 A
CY 5 C CY 40 B
CY 6 D CY 41 A
CY 7 C CY 42 A
CY 8 0.0009 to 0.0011 CY 43 A
CY 9 A CY 44 C
CY 10 C CY 45 B
CY 11 D CY 46 D
CY 12 B CY 47 C
CY 13 D CY 48 B
CY 14 B CY 49 30
CY 15 6 CY 50 C
CY 16 1 CY 51 D
CY 17 4 CY 52 C
CY 18 A CY 53 C
CY 19 C CY 54 B
CY 20 D CY 55 D
CY 21 A CY 56 B
CY 22 D CY 57 C
CY 23 B CY 58 C
CY 24 5 CY 59 D
CY 25 C CY 60 B
CY 26 4.99 to 5.01 CY 61 C
CY 27 A CY 62 C
CY 28 D CY 63 C
CY 29 A CY 64 B
CY 30 D CY 65 C
CY 31 A
CY 32 B
CY 33 B
CY 34 B
CY 35 A
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
CY 1 D CY 36 90 to 95
CY 2 C CY 37 4500 to 4800
CY 3 4.4 to 4.6 CY 38 B
CY 4 6 to 6.5 CY 39 A
CY 5 C CY 40 B
CY 6 D CY 41 A
CY 7 C CY 42 A
CY 8 0.0009 to 0.0011 CY 43 A
CY 9 A CY 44 C
CY 10 C CY 45 B
CY 11 D CY 46 D
CY 12 B CY 47 C
CY 13 D CY 48 B
CY 14 B CY 49 30
CY 15 6 CY 50 C
CY 16 1 CY 51 D
CY 17 4 CY 52 C
CY 18 A CY 53 C
CY 19 C CY 54 B
CY 20 D CY 55 D
CY 21 A CY 56 B
CY 22 D CY 57 C
CY 23 B CY 58 C
CY 24 5 CY 59 D
CY 25 C CY 60 B
CY 26 4.99 to 5.01 CY 61 C
CY 27 A CY 62 C
CY 28 D CY 63 C
CY 29 A CY 64 B
CY 30 D CY 65 C
CY 31 A
CY 32 B
CY 33 B
CY 34 B
CY 35 A
Page 10
GATE 2013 : Answer keys for EC - Electronics and Communication Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EC 1 C A B D
EC 2 D A A A
EC 3 C A B C
EC 4 A D B D
EC 5 D C B B
EC 6 C A C D
EC 7 D D D A
EC 8 C B C C
EC 9 B D D D
EC 10 B C A A
EC 11 B A C A
EC 12 A D D A
EC 13 B D C A
EC 14 A C D B
EC 15 A C A B
EC 16 A A C B
EC 17 D D D B
EC 18 C C B C
EC 19 A D D D
EC 20 D C A C
EC 21 B B C D
EC 22 D B D A
EC 23 C B A C
EC 24 A B A C
EC 25 D A A D
EC 26 B D B C
EC 27 B D A C
EC 28 C A B D
EC 29 C A B C
EC 30 B C C D
EC 31 B B B B
EC 32 C D B C
EC 33 B C C A
EC 34 B D C A
EC 35 A C B D
Page 1 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EC 1 C A B D
EC 2 D A A A
EC 3 C A B C
EC 4 A D B D
EC 5 D C B B
EC 6 C A C D
EC 7 D D D A
EC 8 C B C C
EC 9 B D D D
EC 10 B C A A
EC 11 B A C A
EC 12 A D D A
EC 13 B D C A
EC 14 A C D B
EC 15 A C A B
EC 16 A A C B
EC 17 D D D B
EC 18 C C B C
EC 19 A D D D
EC 20 D C A C
EC 21 B B C D
EC 22 D B D A
EC 23 C B A C
EC 24 A B A C
EC 25 D A A D
EC 26 B D B C
EC 27 B D A C
EC 28 C A B D
EC 29 C A B C
EC 30 B C C D
EC 31 B B B B
EC 32 C D B C
EC 33 B C C A
EC 34 B D C A
EC 35 A C B D
Page 1 of 2
Page 11
GATE 2013 : Answer keys for EC - Electronics and Communication Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EC 36 B C B D
EC 37 D B C B
EC 38 D B C A
EC 39 A C D B
EC 40 A C C B
EC 41 C B D C
EC 42 B B B B
EC 43 D C C B
EC 44 C B A C
EC 45 D B A C
EC 46 C B D B
EC 47 C A D B
EC 48 D D B C
EC 49 B C D D
EC 50 D D C B
EC 51 C B D D
EC 52 C A A C
EC 53 A A A A
EC 54 A C C A
EC 55 A A A A
EC 56 D C A D
EC 57 C A D C
EC 58 C D C A
EC 59 A D C D
EC 60 D C D C
EC 61 C D B A
EC 62 D B A D
EC 63 D C D B
EC 64 B A D C
EC 65 A D C D
Page 2 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EC 36 B C B D
EC 37 D B C B
EC 38 D B C A
EC 39 A C D B
EC 40 A C C B
EC 41 C B D C
EC 42 B B B B
EC 43 D C C B
EC 44 C B A C
EC 45 D B A C
EC 46 C B D B
EC 47 C A D B
EC 48 D D B C
EC 49 B C D D
EC 50 D D C B
EC 51 C B D D
EC 52 C A A C
EC 53 A A A A
EC 54 A C C A
EC 55 A A A A
EC 56 D C A D
EC 57 C A D C
EC 58 C D C A
EC 59 A D C D
EC 60 D C D C
EC 61 C D B A
EC 62 D B A D
EC 63 D C D B
EC 64 B A D C
EC 65 A D C D
Page 2 of 2
Page 12
GATE 2013 : Answer keys for EE - Electrical Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EE 1 B A D B
EE 2 D A A D
EE 3 B B A B
EE 4 C C C D
EE 5 C A B D
EE 6 C A C D
EE 7 C B C B
EE 8 B D C A
EE 9 C D C A
EE 10 A D B C
EE 11 A B D B
EE 12 D D B A
EE 13 A B D A
EE 14 A B B D
EE 15 B D B A
EE 16 C B D A
EE 17 A C D C
EE 18 A C D B
EE 19 B C B C
EE 20 D C A C
EE 21 D B A C
EE 22 D C C C
EE 23 B A B B
EE 24 B A A D
EE 25 D D A B
EE 26 C B D C
EE 27 B B A B
EE 28 C C C B
EE 29 C A D C
EE 30 C B D B
EE 31 D C D C
EE 32 D B C B
EE 33 D C C A
EE 34 C B C C
EE 35 D B B B
Page 1 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EE 1 B A D B
EE 2 D A A D
EE 3 B B A B
EE 4 C C C D
EE 5 C A B D
EE 6 C A C D
EE 7 C B C B
EE 8 B D C A
EE 9 C D C A
EE 10 A D B C
EE 11 A B D B
EE 12 D D B A
EE 13 A B D A
EE 14 A B B D
EE 15 B D B A
EE 16 C B D A
EE 17 A C D C
EE 18 A C D B
EE 19 B C B C
EE 20 D C A C
EE 21 D B A C
EE 22 D C C C
EE 23 B A B B
EE 24 B A A D
EE 25 D D A B
EE 26 C B D C
EE 27 B B A B
EE 28 C C C B
EE 29 C A D C
EE 30 C B D B
EE 31 D C D C
EE 32 D B C B
EE 33 D C C A
EE 34 C B C C
EE 35 D B B B
Page 1 of 2
Page 13
GATE 2013 : Answer keys for EE - Electrical Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EE 36 A C C B
EE 37 B C C A
EE 38 B B B D
EE 39 C C B C
EE 40 A C C D
EE 41 B C B D
EE 42 C D C D
EE 43 B D B C
EE 44 C D A C
EE 45 B C C C
EE 46 B D B B
EE 47 C A B C
EE 48 B A C A
EE 49 C A B A
EE 50 A B A C
EE 51 A C A B
EE 52 Marks to All D D Marks to All
EE 53 Marks to All Marks to All Marks to All Marks to All
EE 54 D Marks to All Marks to All D
EE 55 Marks to All Marks to All Marks to All Marks to All
EE 56 D A C D
EE 57 C D A C
EE 58 A C D C
EE 59 D C D A
EE 60 C D C D
EE 61 A B D C
EE 62 D A B D
EE 63 B D C D
EE 64 C D A B
EE 65 D C D A
Page 2 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
EE 36 A C C B
EE 37 B C C A
EE 38 B B B D
EE 39 C C B C
EE 40 A C C D
EE 41 B C B D
EE 42 C D C D
EE 43 B D B C
EE 44 C D A C
EE 45 B C C C
EE 46 B D B B
EE 47 C A B C
EE 48 B A C A
EE 49 C A B A
EE 50 A B A C
EE 51 A C A B
EE 52 Marks to All D D Marks to All
EE 53 Marks to All Marks to All Marks to All Marks to All
EE 54 D Marks to All Marks to All D
EE 55 Marks to All Marks to All Marks to All Marks to All
EE 56 D A C D
EE 57 C D A C
EE 58 A C D C
EE 59 D C D A
EE 60 C D C D
EE 61 A B D C
EE 62 D A B D
EE 63 B D C D
EE 64 C D A B
EE 65 D C D A
Page 2 of 2
Page 14
GATE 2013 : Answer keys for GG - Geology and Geophysics
Section 1 - Geology Section 2 - Geophysics
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s)
GG 1 Marks to All Marks to All
GG 2 8 to 8.3 8 to 8.3
GG 3 C C
GG 4 B B
GG 5 1600 to 1700 1600 to 1700
GG 6 C C
GG 7 C C
GG 8 B B
GG 9 A A
GG 10 C C
GG 11 A A
GG 12 B B
GG 13 A A
GG 14 Marks to All Marks to All
GG 15 B B
GG 16 B B
GG 17 D D
GG 18 D D
GG 19 B B
GG 20 C C
GG 21 A A
GG 22 C C
GG 23 B B
GG 24 D D
GG 25 D D
GG 26 C A
GG 27 D D
GG 28 20 C
GG 29 2 D
GG 30 D B
GG 31 A A
GG 32 D C
GG 33 B D
GG 34 C B
GG 35 A Marks to All
Page 1 of 2
Section 1 - Geology Section 2 - Geophysics
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s)
GG 1 Marks to All Marks to All
GG 2 8 to 8.3 8 to 8.3
GG 3 C C
GG 4 B B
GG 5 1600 to 1700 1600 to 1700
GG 6 C C
GG 7 C C
GG 8 B B
GG 9 A A
GG 10 C C
GG 11 A A
GG 12 B B
GG 13 A A
GG 14 Marks to All Marks to All
GG 15 B B
GG 16 B B
GG 17 D D
GG 18 D D
GG 19 B B
GG 20 C C
GG 21 A A
GG 22 C C
GG 23 B B
GG 24 D D
GG 25 D D
GG 26 C A
GG 27 D D
GG 28 20 C
GG 29 2 D
GG 30 D B
GG 31 A A
GG 32 D C
GG 33 B D
GG 34 C B
GG 35 A Marks to All
Page 1 of 2
Page 15
GATE 2013 : Answer keys for GG - Geology and Geophysics
Section 1 - Geology Section 2 - Geophysics
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s)
GG 36 D C
GG 37 B A
GG 38 A B
GG 39 D C
GG 40 A D
GG 41 A B
GG 42 D B
GG 43 D A
GG 44 C 2
GG 45 C C
GG 46 A B
GG 47 C C
GG 48 C 2
GG 49 B D
GG 50 B A
GG 51 A D
GG 52 D A
GG 53 B Marks to All
GG 54 D A
GG 55 Marks to All D
GG 56 D D
GG 57 B B
GG 58 C C
GG 59 B B
GG 60 C C
GG 61 A A
GG 62 B B
GG 63 D D
GG 64 A A
GG 65 D D
Page 2 of 2
Section 1 - Geology Section 2 - Geophysics
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s)
GG 36 D C
GG 37 B A
GG 38 A B
GG 39 D C
GG 40 A D
GG 41 A B
GG 42 D B
GG 43 D A
GG 44 C 2
GG 45 C C
GG 46 A B
GG 47 C C
GG 48 C 2
GG 49 B D
GG 50 B A
GG 51 A D
GG 52 D A
GG 53 B Marks to All
GG 54 D A
GG 55 Marks to All D
GG 56 D D
GG 57 B B
GG 58 C C
GG 59 B B
GG 60 C C
GG 61 A A
GG 62 B B
GG 63 D D
GG 64 A A
GG 65 D D
Page 2 of 2
Page 16
GATE 2013 : Answer keys for IN - Instrumentation Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
IN 1 B D D A
IN 2 D A B B
IN 3 C C A B
IN 4 D A C A
IN 5 D A C B
IN 6 A A A C
IN 7 A C A C
IN 8 C C D A
IN 9 C B D A
IN 10 A A C A
IN 11 B B D C
IN 12 D B B A
IN 13 A A B D
IN 14 D B A D
IN 15 C D B B
IN 16 A C A A
IN 17 A D B C
IN 18 A D C C
IN 19 C A C A
IN 20 C A A A
IN 21 B C A D
IN 22 A C A D
IN 23 B A C C
IN 24 A B D D
IN 25 B D A B
IN 26 D D C B
IN 27 Marks to All D D A
IN 28 B C B A
IN 29 A C B B
IN 30 B A C C
IN 31 C D C D
IN 32 C C B A
IN 33 B B A C
IN 34 B A B C
IN 35 D A D D
Page 1 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
IN 1 B D D A
IN 2 D A B B
IN 3 C C A B
IN 4 D A C A
IN 5 D A C B
IN 6 A A A C
IN 7 A C A C
IN 8 C C D A
IN 9 C B D A
IN 10 A A C A
IN 11 B B D C
IN 12 D B B A
IN 13 A A B D
IN 14 D B A D
IN 15 C D B B
IN 16 A C A A
IN 17 A D B C
IN 18 A D C C
IN 19 C A C A
IN 20 C A A A
IN 21 B C A D
IN 22 A C A D
IN 23 B A C C
IN 24 A B D D
IN 25 B D A B
IN 26 D D C B
IN 27 Marks to All D D A
IN 28 B C B A
IN 29 A C B B
IN 30 B A C C
IN 31 C D C D
IN 32 C C B A
IN 33 B B A C
IN 34 B A B C
IN 35 D A D D
Page 1 of 2
Page 17
GATE 2013 : Answer keys for IN - Instrumentation Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
IN 36 C B Marks to All D
IN 37 D Marks to All B C
IN 38 D D A D
IN 39 C B A B
IN 40 C A B B
IN 41 A B C C
IN 42 D C D C
IN 43 C C A B
IN 44 B B C A
IN 45 A B C B
IN 46 B D D D
IN 47 A C D Marks to All
IN 48 B C D B
IN 49 D B B C
IN 50 C B B D
IN 51 B D C B
IN 52 C C C C
IN 53 D B B D
IN 54 C C C C
IN 55 B D D B
IN 56 C D D A
IN 57 A C C D
IN 58 D C A C
IN 59 D A D C
IN 60 C D C D
IN 61 D C A B
IN 62 B D D A
IN 63 C D B D
IN 64 A B C D
IN 65 D A D C
Page 2 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
IN 36 C B Marks to All D
IN 37 D Marks to All B C
IN 38 D D A D
IN 39 C B A B
IN 40 C A B B
IN 41 A B C C
IN 42 D C D C
IN 43 C C A B
IN 44 B B C A
IN 45 A B C B
IN 46 B D D D
IN 47 A C D Marks to All
IN 48 B C D B
IN 49 D B B C
IN 50 C B B D
IN 51 B D C B
IN 52 C C C C
IN 53 D B B D
IN 54 C C C C
IN 55 B D D B
IN 56 C D D A
IN 57 A C C D
IN 58 D C A C
IN 59 D A D C
IN 60 C D C D
IN 61 D C A B
IN 62 B D D A
IN 63 C D B D
IN 64 A B C D
IN 65 D A D C
Page 2 of 2
Page 18
GATE 2013 : Answer keys for MA - Mathematics
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
MA 1 A MA 36 A
MA 2 C MA 37 C
MA 3 B MA 38 Marks to All
MA 4 6 MA 39 A
MA 5 78 MA 40 C
MA 6 D MA 41 C
MA 7 D MA 42 A
MA 8 C MA 43 D
MA 9 D MA 44 A
MA 10 2 MA 45 A
MA 11 C MA 46 A
MA 12 B MA 47 A
MA 13 3 MA 48 D
MA 14 1 MA 49 D
MA 15 A MA 50 D
MA 16 C MA 51 B
MA 17 10 MA 52 4
MA 18 D MA 53 8
MA 19 C MA 54 A
MA 20 C MA 55 B
MA 21 D MA 56 D
MA 22 C MA 57 B
MA 23 B MA 58 C
MA 24 B MA 59 B
MA 25 3 MA 60 C
MA 26 15 MA 61 A
MA 27 B MA 62 B
MA 28 60 MA 63 D
MA 29 B MA 64 A
MA 30 C MA 65 D
MA 31 -1
MA 32 A
MA 33 D
MA 34 C
MA 35 A
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
MA 1 A MA 36 A
MA 2 C MA 37 C
MA 3 B MA 38 Marks to All
MA 4 6 MA 39 A
MA 5 78 MA 40 C
MA 6 D MA 41 C
MA 7 D MA 42 A
MA 8 C MA 43 D
MA 9 D MA 44 A
MA 10 2 MA 45 A
MA 11 C MA 46 A
MA 12 B MA 47 A
MA 13 3 MA 48 D
MA 14 1 MA 49 D
MA 15 A MA 50 D
MA 16 C MA 51 B
MA 17 10 MA 52 4
MA 18 D MA 53 8
MA 19 C MA 54 A
MA 20 C MA 55 B
MA 21 D MA 56 D
MA 22 C MA 57 B
MA 23 B MA 58 C
MA 24 B MA 59 B
MA 25 3 MA 60 C
MA 26 15 MA 61 A
MA 27 B MA 62 B
MA 28 60 MA 63 D
MA 29 B MA 64 A
MA 30 C MA 65 D
MA 31 -1
MA 32 A
MA 33 D
MA 34 C
MA 35 A
Page 19
GATE 2013 : Answer keys for ME - Mechanical Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
ME 1 D C C D
ME 2 C B C D
ME 3 D C A Marks to All
ME 4 A A C B
ME 5 B C D B
ME 6 C A C B
ME 7 A B A A
ME 8 C B C C
ME 9 D B B A
ME 10 C Marks to All A C
ME 11 A D D B
ME 12 C C C C
ME 13 C D D C
ME 14 D C C D
ME 15 D A B D
ME 16 Marks to All C C A
ME 17 B D A B
ME 18 B C C C
ME 19 B A A A
ME 20 A C B C
ME 21 C B B D
ME 22 A A B C
ME 23 C D Marks to All A
ME 24 B D D C
ME 25 C C D C
ME 26 A B B D
ME 27 C C B C
ME 28 A D B C
ME 29 B B B D
ME 30 D D B B
ME 31 A A A A
ME 32 B B D D
ME 33 B D A B
ME 34 B C B D
ME 35 B C C B
Page 1 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
ME 1 D C C D
ME 2 C B C D
ME 3 D C A Marks to All
ME 4 A A C B
ME 5 B C D B
ME 6 C A C B
ME 7 A B A A
ME 8 C B C C
ME 9 D B B A
ME 10 C Marks to All A C
ME 11 A D D B
ME 12 C C C C
ME 13 C D D C
ME 14 D C C D
ME 15 D A B D
ME 16 Marks to All C C A
ME 17 B D A B
ME 18 B C C C
ME 19 B A A A
ME 20 A C B C
ME 21 C B B D
ME 22 A A B C
ME 23 C D Marks to All A
ME 24 B D D C
ME 25 C C D C
ME 26 A B B D
ME 27 C C B C
ME 28 A D B C
ME 29 B B B D
ME 30 D D B B
ME 31 A A A A
ME 32 B B D D
ME 33 B D A B
ME 34 B C B D
ME 35 B C C B
Page 1 of 2
Page 20
GATE 2013 : Answer keys for ME - Mechanical Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
ME 36 B D A C
ME 37 D B C A
ME 38 C B B C
ME 39 C B D A
ME 40 D B B B
ME 41 B B D D
ME 42 A A A A
ME 43 D D B B
ME 44 B B D B
ME 45 D A C B
ME 46 B C C B
ME 47 C A D B
ME 48 C B C D
ME 49 C D C B
ME 50 B C D C
ME 51 D C B C
ME 52 A C A C
ME 53 B A B A
ME 54 C A C A
ME 55 A B A B
ME 56 A B C A
ME 57 A A C C
ME 58 B C A A
ME 59 C A B C
ME 60 C C A B
ME 61 D B B C
ME 62 C D D B
ME 63 B D C D
ME 64 B C B D
ME 65 D B D B
Page 2 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
ME 36 B D A C
ME 37 D B C A
ME 38 C B B C
ME 39 C B D A
ME 40 D B B B
ME 41 B B D D
ME 42 A A A A
ME 43 D D B B
ME 44 B B D B
ME 45 D A C B
ME 46 B C C B
ME 47 C A D B
ME 48 C B C D
ME 49 C D C B
ME 50 B C D C
ME 51 D C B C
ME 52 A C A C
ME 53 B A B A
ME 54 C A C A
ME 55 A B A B
ME 56 A B C A
ME 57 A A C C
ME 58 B C A A
ME 59 C A B C
ME 60 C C A B
ME 61 D B B C
ME 62 C D D B
ME 63 B D C D
ME 64 B C B D
ME 65 D B D B
Page 2 of 2
Page 21
GATE 2013 : Answer keys for MN - Mining Engineering
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
MN 1 C MN 36 A
MN 2 B MN 37 A
MN 3 D MN 38 D
MN 4 A MN 39 C
MN 5 A MN 40 A
MN 6 C MN 41 D
MN 7 D MN 42 B
MN 8 B MN 43 D
MN 9 D MN 44 B
MN 10 Marks to All MN 45 C
MN 11 C MN 46 D
MN 12 B MN 47 A
MN 13 C MN 48 D
MN 14 D MN 49 C
MN 15 A MN 50 A
MN 16 B MN 51 D
MN 17 A MN 52 B
MN 18 C MN 53 D
MN 19 D MN 54 A
MN 20 B MN 55 B
MN 21 D MN 56 B
MN 22 A MN 57 C
MN 23 B MN 58 C
MN 24 C MN 59 D
MN 25 C MN 60 B
MN 26 4.5 to 4.518 MN 61 C
MN 27 2.35 to 2.45 MN 62 C
MN 28 44.8 to 45.5 MN 63 C
MN 29 166 to 169 MN 64 B
MN 30 225 to 231 MN 65 C
MN 31 335 to 337
MN 32 0.000875 to 0.000885
MN 33 0.9 to 1
MN 34 D
MN 35 C
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
MN 1 C MN 36 A
MN 2 B MN 37 A
MN 3 D MN 38 D
MN 4 A MN 39 C
MN 5 A MN 40 A
MN 6 C MN 41 D
MN 7 D MN 42 B
MN 8 B MN 43 D
MN 9 D MN 44 B
MN 10 Marks to All MN 45 C
MN 11 C MN 46 D
MN 12 B MN 47 A
MN 13 C MN 48 D
MN 14 D MN 49 C
MN 15 A MN 50 A
MN 16 B MN 51 D
MN 17 A MN 52 B
MN 18 C MN 53 D
MN 19 D MN 54 A
MN 20 B MN 55 B
MN 21 D MN 56 B
MN 22 A MN 57 C
MN 23 B MN 58 C
MN 24 C MN 59 D
MN 25 C MN 60 B
MN 26 4.5 to 4.518 MN 61 C
MN 27 2.35 to 2.45 MN 62 C
MN 28 44.8 to 45.5 MN 63 C
MN 29 166 to 169 MN 64 B
MN 30 225 to 231 MN 65 C
MN 31 335 to 337
MN 32 0.000875 to 0.000885
MN 33 0.9 to 1
MN 34 D
MN 35 C
Page 22
GATE 2013 : Answer keys for MT - Metallurgical Engineering
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
MT 1 A MT 36 A
MT 2 D MT 37 D
MT 3 A MT 38 A
MT 4 B MT 39 D
MT 5 A MT 40 C
MT 6 C MT 41 A
MT 7 A MT 42 C
MT 8 B MT 43 73 to 75
MT 9 A MT 44 0.257 to 0.263
MT 10 B MT 45 0.314 to 0.326
MT 11 D MT 46 7.9 to 8.3
MT 12 C MT 47 2626 to 2632
MT 13 A MT 48 D
MT 14 B MT 49 A
MT 15 C MT 50 D
MT 16 B MT 51 A
MT 17 C MT 52 D
MT 18 B MT 53 B
MT 19 A MT 54 B
MT 20 C MT 55 C
MT 21 0 MT 56 D
MT 22 0.339 to 0.341 MT 57 B
MT 23 3 MT 58 C
MT 24 0.25 MT 59 B
MT 25 400 MT 60 C
MT 26 B MT 61 A
MT 27 D MT 62 B
MT 28 Marks to All MT 63 D
MT 29 C MT 64 A
MT 30 D MT 65 D
MT 31 A
MT 32 C
MT 33 B
MT 34 D
MT 35 D
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
MT 1 A MT 36 A
MT 2 D MT 37 D
MT 3 A MT 38 A
MT 4 B MT 39 D
MT 5 A MT 40 C
MT 6 C MT 41 A
MT 7 A MT 42 C
MT 8 B MT 43 73 to 75
MT 9 A MT 44 0.257 to 0.263
MT 10 B MT 45 0.314 to 0.326
MT 11 D MT 46 7.9 to 8.3
MT 12 C MT 47 2626 to 2632
MT 13 A MT 48 D
MT 14 B MT 49 A
MT 15 C MT 50 D
MT 16 B MT 51 A
MT 17 C MT 52 D
MT 18 B MT 53 B
MT 19 A MT 54 B
MT 20 C MT 55 C
MT 21 0 MT 56 D
MT 22 0.339 to 0.341 MT 57 B
MT 23 3 MT 58 C
MT 24 0.25 MT 59 B
MT 25 400 MT 60 C
MT 26 B MT 61 A
MT 27 D MT 62 B
MT 28 Marks to All MT 63 D
MT 29 C MT 64 A
MT 30 D MT 65 D
MT 31 A
MT 32 C
MT 33 B
MT 34 D
MT 35 D
Page 23
GATE 2013 : Answer keys for PH - Physics
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
PH 1 B PH 36 B
PH 2 D PH 37 C
PH 3 B PH 38 A
PH 4 B PH 39 A
PH 5 B PH 40 C
PH 6 A PH 41 3
PH 7 A PH 42 5
PH 8 D PH 43 30
PH 9 C PH 44 0.15
PH 10 D PH 45 7.6
PH 11 A PH 46 0.25
PH 12 C PH 47 1.25
PH 13 D PH 48 B
PH 14 B PH 49 C
PH 15 C PH 50 C
PH 16 C PH 51 C
PH 17 D PH 52 B
PH 18 D PH 53 B
PH 19 B PH 54 A
PH 20 C PH 55 B
PH 21 C PH 56 D
PH 22 B PH 57 B
PH 23 70 PH 58 C
PH 24 3.16 PH 59 B
PH 25 3 PH 60 C
PH 26 C PH 61 A
PH 27 B PH 62 B
PH 28 C PH 63 D
PH 29 C PH 64 A
PH 30 C PH 65 D
PH 31 C
PH 32 C
PH 33 C
PH 34 A
PH 35 C
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
PH 1 B PH 36 B
PH 2 D PH 37 C
PH 3 B PH 38 A
PH 4 B PH 39 A
PH 5 B PH 40 C
PH 6 A PH 41 3
PH 7 A PH 42 5
PH 8 D PH 43 30
PH 9 C PH 44 0.15
PH 10 D PH 45 7.6
PH 11 A PH 46 0.25
PH 12 C PH 47 1.25
PH 13 D PH 48 B
PH 14 B PH 49 C
PH 15 C PH 50 C
PH 16 C PH 51 C
PH 17 D PH 52 B
PH 18 D PH 53 B
PH 19 B PH 54 A
PH 20 C PH 55 B
PH 21 C PH 56 D
PH 22 B PH 57 B
PH 23 70 PH 58 C
PH 24 3.16 PH 59 B
PH 25 3 PH 60 C
PH 26 C PH 61 A
PH 27 B PH 62 B
PH 28 C PH 63 D
PH 29 C PH 64 A
PH 30 C PH 65 D
PH 31 C
PH 32 C
PH 33 C
PH 34 A
PH 35 C
Page 24
GATE 2013 : Answer keys for PI - Production and Industrial Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
PI 1 C D C D
PI 2 B D B C
PI 3 C C C D
PI 4 C D A A
PI 5 C B B A
PI 6 A D C B
PI 7 C Marks to All A Marks to All
PI 8 B B C D
PI 9 A A C B
PI 10 C A C D
PI 11 B D B C
PI 12 C C D D
PI 13 C D C D
PI 14 D C D C
PI 15 D B C B
PI 16 A C D C
PI 17 A A B C
PI 18 B B D C
PI 19 Marks to All C Marks to All A
PI 20 D A B C
PI 21 B C A B
PI 22 D C A A
PI 23 C C D C
PI 24 D B D B
PI 25 D C C C
PI 26 B D B A
PI 27 C C C C
PI 28 D A D A
PI 29 C B B C
PI 30 D A A B
PI 31 C B C B
PI 32 A B D A
PI 33 B A C B
PI 34 D C D A
PI 35 B C C C
Page 1 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
PI 1 C D C D
PI 2 B D B C
PI 3 C C C D
PI 4 C D A A
PI 5 C B B A
PI 6 A D C B
PI 7 C Marks to All A Marks to All
PI 8 B B C D
PI 9 A A C B
PI 10 C A C D
PI 11 B D B C
PI 12 C C D D
PI 13 C D C D
PI 14 D C D C
PI 15 D B C B
PI 16 A C D C
PI 17 A A B C
PI 18 B B D C
PI 19 Marks to All C Marks to All A
PI 20 D A B C
PI 21 B C A B
PI 22 D C A A
PI 23 C C D C
PI 24 D B D B
PI 25 D C C C
PI 26 B D B A
PI 27 C C C C
PI 28 D A D A
PI 29 C B B C
PI 30 D A A B
PI 31 C B C B
PI 32 A B D A
PI 33 B A C B
PI 34 D C D A
PI 35 B C C C
Page 1 of 2
Page 25
GATE 2013 : Answer keys for PI - Production and Industrial Engineering
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
PI 36 C A B D
PI 37 A C D B
PI 38 C B C C
PI 39 A D A D
PI 40 C B B C
PI 41 B A A D
PI 42 B C B C
PI 43 A D B A
PI 44 B C C B
PI 45 A D A D
PI 46 D C C B
PI 47 C B A C
PI 48 B D A A
PI 49 A A B D
PI 50 D B A A
PI 51 A A D B
PI 52 D A D A
PI 53 B B B B
PI 54 A D A D
PI 55 B B B B
PI 56 A C B A
PI 57 C C A A
PI 58 A A C B
PI 59 C B A C
PI 60 B A C C
PI 61 C B B D
PI 62 B D D C
PI 63 D C D B
PI 64 D B C B
PI 65 B D B D
Page 2 of 2
ORS code A ORS code B ORS Code C ORS Code D
Paper Q.No
Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s) Key(s)/Value(s)
PI 36 C A B D
PI 37 A C D B
PI 38 C B C C
PI 39 A D A D
PI 40 C B B C
PI 41 B A A D
PI 42 B C B C
PI 43 A D B A
PI 44 B C C B
PI 45 A D A D
PI 46 D C C B
PI 47 C B A C
PI 48 B D A A
PI 49 A A B D
PI 50 D B A A
PI 51 A A D B
PI 52 D A D A
PI 53 B B B B
PI 54 A D A D
PI 55 B B B B
PI 56 A C B A
PI 57 C C A A
PI 58 A A C B
PI 59 C B A C
PI 60 B A C C
PI 61 C B B D
PI 62 B D D C
PI 63 D C D B
PI 64 D B C B
PI 65 B D B D
Page 2 of 2
Page 26
GATE 2013 : Answer keys for TF - Textile Engineering and Fibre Science
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
TF 1 B TF 36 A
TF 2 D TF 37 B
TF 3 D TF 38 B
TF 4 D TF 39 C
TF 5 B TF 40 B
TF 6 B TF 41 C
TF 7 C TF 42 D
TF 8 D TF 43 A
TF 9 B TF 44 B
TF 10 A TF 45 C
TF 11 C TF 46 D
TF 12 D TF 47 C
TF 13 A TF 48 B
TF 14 A TF 49 A
TF 15 D TF 50 B
TF 16 D TF 51 B
TF 17 B TF 52 C
TF 18 C TF 53 C
TF 19 D TF 54 A
TF 20 C TF 55 B
TF 21 D TF 56 D
TF 22 A TF 57 B
TF 23 A TF 58 C
TF 24 B TF 59 B
TF 25 9.08 to 9.1 TF 60 C
TF 26 7 TF 61 A
TF 27 18 TF 62 B
TF 28 9 TF 63 D
TF 29 1.99 to 2 TF 64 A
TF 30 10 TF 65 D
TF 31 20
TF 32 0.48 to 0.49
TF 33 A
TF 34 B
TF 35 A
Paper Q.No Key(s)/Value(s) Paper Q.No Key(s)/Value(s)
TF 1 B TF 36 A
TF 2 D TF 37 B
TF 3 D TF 38 B
TF 4 D TF 39 C
TF 5 B TF 40 B
TF 6 B TF 41 C
TF 7 C TF 42 D
TF 8 D TF 43 A
TF 9 B TF 44 B
TF 10 A TF 45 C
TF 11 C TF 46 D
TF 12 D TF 47 C
TF 13 A TF 48 B
TF 14 A TF 49 A
TF 15 D TF 50 B
TF 16 D TF 51 B
TF 17 B TF 52 C
TF 18 C TF 53 C
TF 19 D TF 54 A
TF 20 C TF 55 B
TF 21 D TF 56 D
TF 22 A TF 57 B
TF 23 A TF 58 C
TF 24 B TF 59 B
TF 25 9.08 to 9.1 TF 60 C
TF 26 7 TF 61 A
TF 27 18 TF 62 B
TF 28 9 TF 63 D
TF 29 1.99 to 2 TF 64 A
TF 30 10 TF 65 D
TF 31 20
TF 32 0.48 to 0.49
TF 33 A
TF 34 B
TF 35 A
Page 27
GATE 2013 : Answer keys for XE - Engineering Sciences
Paper Section Q.No Key(s)/Value(s) Paper Section Q.No Key(s)/Value(s)
XE GA 1 B XE C 1 A
XE GA 2 C XE C 2 D
XE GA 3 C XE C 3 C
XE GA 4 D XE C 4 B
XE GA 5 B XE C 5 D
XE GA 6 C XE C 6 B
XE GA 7 C XE C 7 B
XE GA 8 C XE C 8 A
XE GA 9 B XE C 9 A
XE GA 10 C XE C 10 D
XE A 1 B XE C 11 C
XE A 2 D XE C 12 C
XE A 3 C XE C 13 0.178 to 0.18
XE A 4 C XE C 14 0.04 to 0.045
XE A 5 B XE C 15 0.85 to 0.89
XE A 6 D XE C 16 0.4 to 0.6
XE A 7 A XE C 17 50 to 51
XE A 8 A XE C 18 22 to 28
XE A 9 C XE C 19 41 to 43
XE A 10 D XE C 20 30 to 33
XE A 11 B XE C 21 Marks to All
XE B 1 B XE C 22 Marks to All
XE B 2 C XE D 1 Marks to All
XE B 3 20 XE D 2 -0.001 to 0.001
XE B 4 D XE D 3 0.63 to 0.65
XE B 5 A XE D 4 B
XE B 6 A XE D 5 99 to 101
XE B 7 B XE D 6 2.2 to 2.4
XE B 8 D XE D 7 3.9 to 4.1
XE B 9 C XE D 8 -0.21 to -0.19
XE B 10 A XE D 9 B
XE B 11 C XE D 10 4.9 to 5.1
XE B 12 D XE D 11 1.5 to 1.7
XE B 13 B XE D 12 Marks to All
XE B 14 25 XE D 13 B
XE B 15 0.03 XE D 14 49.9 to 50.1
XE B 16 67 to 67.3 XE D 15 2.3 to 2.5
XE B 17 -5 XE D 16 1.9 to 2.1
XE B 18 0.025 XE D 17 D
XE B 19 C XE D 18 B
XE B 20 D XE D 19 C
XE B 21 B XE D 20 D
XE B 22 A XE D 21 B
XE D 22 D
Page 1 of 2
Paper Section Q.No Key(s)/Value(s) Paper Section Q.No Key(s)/Value(s)
XE GA 1 B XE C 1 A
XE GA 2 C XE C 2 D
XE GA 3 C XE C 3 C
XE GA 4 D XE C 4 B
XE GA 5 B XE C 5 D
XE GA 6 C XE C 6 B
XE GA 7 C XE C 7 B
XE GA 8 C XE C 8 A
XE GA 9 B XE C 9 A
XE GA 10 C XE C 10 D
XE A 1 B XE C 11 C
XE A 2 D XE C 12 C
XE A 3 C XE C 13 0.178 to 0.18
XE A 4 C XE C 14 0.04 to 0.045
XE A 5 B XE C 15 0.85 to 0.89
XE A 6 D XE C 16 0.4 to 0.6
XE A 7 A XE C 17 50 to 51
XE A 8 A XE C 18 22 to 28
XE A 9 C XE C 19 41 to 43
XE A 10 D XE C 20 30 to 33
XE A 11 B XE C 21 Marks to All
XE B 1 B XE C 22 Marks to All
XE B 2 C XE D 1 Marks to All
XE B 3 20 XE D 2 -0.001 to 0.001
XE B 4 D XE D 3 0.63 to 0.65
XE B 5 A XE D 4 B
XE B 6 A XE D 5 99 to 101
XE B 7 B XE D 6 2.2 to 2.4
XE B 8 D XE D 7 3.9 to 4.1
XE B 9 C XE D 8 -0.21 to -0.19
XE B 10 A XE D 9 B
XE B 11 C XE D 10 4.9 to 5.1
XE B 12 D XE D 11 1.5 to 1.7
XE B 13 B XE D 12 Marks to All
XE B 14 25 XE D 13 B
XE B 15 0.03 XE D 14 49.9 to 50.1
XE B 16 67 to 67.3 XE D 15 2.3 to 2.5
XE B 17 -5 XE D 16 1.9 to 2.1
XE B 18 0.025 XE D 17 D
XE B 19 C XE D 18 B
XE B 20 D XE D 19 C
XE B 21 B XE D 20 D
XE B 22 A XE D 21 B
XE D 22 D
Page 1 of 2
Page 28
GATE 2013 : Answer keys for XE - Engineering Sciences
Paper Section Q.No Key(s)/Value(s) Paper Section Q.No Key(s)/Value(s)
XE E 1 C XE G 1 D
XE E 2 D XE G 2 Marks to All
XE E 3 A XE G 3 B
XE E 4 C XE G 4 A
XE E 5 C XE G 5 C
XE E 6 A XE G 6 D
XE E 7 B XE G 7 B
XE E 8 0.78 to 0.8 XE G 8 A
XE E 9 A XE G 9 B
XE E 10 D XE G 10 A
XE E 11 D XE G 11 B
XE E 12 399 to 401 XE G 12 D
XE E 13 B XE G 13 A
XE E 14 120 to 130 XE G 14 B
XE E 15 140 to 150 XE G 15 C
XE E 16 0.97 to 0.98 XE G 16 D
XE E 17 1.5 to 1.7 XE G 17 B
XE E 18 36 to 40 XE G 18 C
XE E 19 5.7 to 6.3 XE G 19 C
XE E 20 325 to 330 XE G 20 B
XE E 21 1.4 to 1.6 XE G 21 A
XE E 22 20.5 to 22.5 XE G 22 D
XE F 1 D
XE F 2 C
XE F 3 D
XE F 4 C
XE F 5 B
XE F 6 D
XE F 7 C
XE F 8 C
XE F 9 B
XE F 10 A
XE F 11 D
XE F 12 Marks to All
XE F 13 C
XE F 14 C
XE F 15 C
XE F 16 A
XE F 17 A
XE F 18 B
XE F 19 B
XE F 20 D
XE F 21 C
XE F 22 B
Page 2 of 2
Paper Section Q.No Key(s)/Value(s) Paper Section Q.No Key(s)/Value(s)
XE E 1 C XE G 1 D
XE E 2 D XE G 2 Marks to All
XE E 3 A XE G 3 B
XE E 4 C XE G 4 A
XE E 5 C XE G 5 C
XE E 6 A XE G 6 D
XE E 7 B XE G 7 B
XE E 8 0.78 to 0.8 XE G 8 A
XE E 9 A XE G 9 B
XE E 10 D XE G 10 A
XE E 11 D XE G 11 B
XE E 12 399 to 401 XE G 12 D
XE E 13 B XE G 13 A
XE E 14 120 to 130 XE G 14 B
XE E 15 140 to 150 XE G 15 C
XE E 16 0.97 to 0.98 XE G 16 D
XE E 17 1.5 to 1.7 XE G 17 B
XE E 18 36 to 40 XE G 18 C
XE E 19 5.7 to 6.3 XE G 19 C
XE E 20 325 to 330 XE G 20 B
XE E 21 1.4 to 1.6 XE G 21 A
XE E 22 20.5 to 22.5 XE G 22 D
XE F 1 D
XE F 2 C
XE F 3 D
XE F 4 C
XE F 5 B
XE F 6 D
XE F 7 C
XE F 8 C
XE F 9 B
XE F 10 A
XE F 11 D
XE F 12 Marks to All
XE F 13 C
XE F 14 C
XE F 15 C
XE F 16 A
XE F 17 A
XE F 18 B
XE F 19 B
XE F 20 D
XE F 21 C
XE F 22 B
Page 2 of 2
Page 29
GATE 2013 : Answer keys for XL - Life Sciences
Paper Section Q.No Key(s)/Value(s) Paper Section Q.No Key(s)/Value(s)
XL GA 1 B XL J 1 B
XL GA 2 C XL J 2 B
XL GA 3 C XL J 3 B
XL GA 4 D XL J 4 A
XL GA 5 B XL J 5 C
XL GA 6 C XL J 6 D
XL GA 7 C XL J 7 D
XL GA 8 C XL J 8 C
XL GA 9 B XL J 9 D
XL GA 10 C XL J 10 D
XL H 1 B XL J 11 D
XL H 2 B XL J 12 B
XL H 3 C XL J 13 A
XL H 4 8 XL J 14 C
XL H 5 1 XL J 15 C
XL H 6 A XL J 16 D
XL H 7 D XL J 17 D
XL H 8 C XL J 18 C
XL H 9 C XL J 19 A
XL H 10 3 XL J 20 B
XL H 11 19.8 to 20.2 XL K 1 D
XL H 12 A XL K 2 C
XL H 13 D XL K 3 A
XL H 14 D XL K 4 C
XL H 15 A XL K 5 C
XL I 1 D XL K 6 A
XL I 2 D XL K 7 C
XL I 3 B XL K 8 C
XL I 4 D XL K 9 A
XL I 5 A XL K 10 D
XL I 6 A XL K 11 C
XL I 7 B XL K 12 D
XL I 8 C XL K 13 B
XL I 9 B XL K 14 A
XL I 10 D XL K 15 B
XL I 11 C XL K 16 Marks to All
XL I 12 B XL K 17 B
XL I 13 C XL K 18 B
XL I 14 D XL K 19 A
XL I 15 B XL K 20 D
XL I 16 B
XL I 17 C
XL I 18 C
XL I 19 C
XL I 20 C
Page 1 of 2
Paper Section Q.No Key(s)/Value(s) Paper Section Q.No Key(s)/Value(s)
XL GA 1 B XL J 1 B
XL GA 2 C XL J 2 B
XL GA 3 C XL J 3 B
XL GA 4 D XL J 4 A
XL GA 5 B XL J 5 C
XL GA 6 C XL J 6 D
XL GA 7 C XL J 7 D
XL GA 8 C XL J 8 C
XL GA 9 B XL J 9 D
XL GA 10 C XL J 10 D
XL H 1 B XL J 11 D
XL H 2 B XL J 12 B
XL H 3 C XL J 13 A
XL H 4 8 XL J 14 C
XL H 5 1 XL J 15 C
XL H 6 A XL J 16 D
XL H 7 D XL J 17 D
XL H 8 C XL J 18 C
XL H 9 C XL J 19 A
XL H 10 3 XL J 20 B
XL H 11 19.8 to 20.2 XL K 1 D
XL H 12 A XL K 2 C
XL H 13 D XL K 3 A
XL H 14 D XL K 4 C
XL H 15 A XL K 5 C
XL I 1 D XL K 6 A
XL I 2 D XL K 7 C
XL I 3 B XL K 8 C
XL I 4 D XL K 9 A
XL I 5 A XL K 10 D
XL I 6 A XL K 11 C
XL I 7 B XL K 12 D
XL I 8 C XL K 13 B
XL I 9 B XL K 14 A
XL I 10 D XL K 15 B
XL I 11 C XL K 16 Marks to All
XL I 12 B XL K 17 B
XL I 13 C XL K 18 B
XL I 14 D XL K 19 A
XL I 15 B XL K 20 D
XL I 16 B
XL I 17 C
XL I 18 C
XL I 19 C
XL I 20 C
Page 1 of 2
Page 30
GATE 2013 : Answer keys for XL - Life Sciences
Paper Section Q.No Key(s)/Value(s)
XL L 1 A
XL L 2 Marks to All
XL L 3 C
XL L 4 C
XL L 5 A
XL L 6 A
XL L 7 B
XL L 8 D
XL L 9 A
XL L 10 B
XL L 11 A
XL L 12 D
XL L 13 D
XL L 14 Marks to All
XL L 15 A
XL L 16 D
XL L 17 B
XL L 18 B
XL L 19 A
XL L 20 A
XL M 1 D
XL M 2 Marks to All
XL M 3 B
XL M 4 A
XL M 5 C
XL M 6 D
XL M 7 B
XL M 8 A
XL M 9 B
XL M 10 B
XL M 11 A
XL M 12 B
XL M 13 Marks to All
XL M 14 A
XL M 15 B
XL M 16 C
XL M 17 D
XL M 18 B
XL M 19 C
XL M 20 A
Page 2 of 2
Paper Section Q.No Key(s)/Value(s)
XL L 1 A
XL L 2 Marks to All
XL L 3 C
XL L 4 C
XL L 5 A
XL L 6 A
XL L 7 B
XL L 8 D
XL L 9 A
XL L 10 B
XL L 11 A
XL L 12 D
XL L 13 D
XL L 14 Marks to All
XL L 15 A
XL L 16 D
XL L 17 B
XL L 18 B
XL L 19 A
XL L 20 A
XL M 1 D
XL M 2 Marks to All
XL M 3 B
XL M 4 A
XL M 5 C
XL M 6 D
XL M 7 B
XL M 8 A
XL M 9 B
XL M 10 B
XL M 11 A
XL M 12 B
XL M 13 Marks to All
XL M 14 A
XL M 15 B
XL M 16 C
XL M 17 D
XL M 18 B
XL M 19 C
XL M 20 A
Page 2 of 2
Document Details
| Board / Org | IIT |
| Exam | Graduate Aptitude Test in Engineering |
| Type | Answer Key |
| Pages | 30 |
| Updated | 09 Jun 2026 |