GATE 2021 Question Paper CS Computer Science 1
on this page. You can download GATE Exam Question Paper and solve it and check your performance with the Answer Key provided on here on aglasem.com." class="form-control" placeholder="Description">Get here GATE 2021 Question Paper CS Computer Science 1. Answer key of all the questions are given on this page. You can download GATE Exam Question Paper and solve it and check your performance with the Answer Key provided on here on aglasem.com.
More Detail
Latest News
Finished viewing? Save it for later —
Download GATE 2021 Question Paper CS Computer Science 1 (PDF · 40 pages)Downloaded 48 times
About GATE 2021 Question Paper CS Computer Science 1
GATE 2021 Question Paper CS Computer Science 1 is available here for free download. Published by IIT for Graduate Aptitude Test in Engineering, this question paper can be viewed online or downloaded as a PDF (40 pages). Candidates preparing for Graduate Aptitude Test in Engineering can use GATE 2021 Question Paper CS Computer Science 1 to understand the exam pattern, the type of questions asked, and the overall difficulty level.
Frequently Asked Questions
How can I download GATE 2021 Question Paper CS Computer Science 1?
Open this page and click the Download button to save GATE 2021 Question Paper CS Computer Science 1 as a PDF. It is completely free on AglaSem Docs.
Is GATE 2021 Question Paper CS Computer Science 1 free to download?
Yes. GATE 2021 Question Paper CS Computer Science 1 can be viewed online and downloaded as a PDF free of cost on AglaSem Docs.
How many pages does GATE 2021 Question Paper CS Computer Science 1 have?
GATE 2021 Question Paper CS Computer Science 1 contains 40 pages, which you can read online or download together as a single PDF.
Where can I find more Graduate Aptitude Test in Engineering study material?
You can find more Graduate Aptitude Test in Engineering question papers, sample papers, syllabus, and answer keys on AglaSem Docs.
GATE 2021 Question Paper CS Computer Science 1 – Text
Read the full text of this question paper below — useful to quickly search, copy and reference the content online without downloading the PDF.
📄 View text version (40 pages)
Page 1
General Aptitude (GA)
Q.1 – Q.5 Multiple Choice Question (MCQ), carry ONE mark each (for each wrong
answer: – 1/3).
Q.1 The ratio of boys to girls in a class is 7 to 3.
Among the options below, an acceptable value for the total number of students
in the class is:
(A) 21
(B) 37
(C) 50
(D) 73
CS, Set-1 - Copyright © GATE 2021 Page 1 of 40
Q.1 – Q.5 Multiple Choice Question (MCQ), carry ONE mark each (for each wrong
answer: – 1/3).
Q.1 The ratio of boys to girls in a class is 7 to 3.
Among the options below, an acceptable value for the total number of students
in the class is:
(A) 21
(B) 37
(C) 50
(D) 73
CS, Set-1 - Copyright © GATE 2021 Page 1 of 40
Page 2
Q.2 A polygon is convex if, for every pair of points, P and Q belonging to the polygon,
the line segment PQ lies completely inside or on the polygon.
Which one of the following is NOT a convex polygon?
(A)
(B)
(C)
(D)
CS, Set-1 - Copyright © GATE 2021 Page 2 of 40
the line segment PQ lies completely inside or on the polygon.
Which one of the following is NOT a convex polygon?
(A)
(B)
(C)
(D)
CS, Set-1 - Copyright © GATE 2021 Page 2 of 40
Page 3
Q.3 Consider the following sentences:
(i) Everybody in the class is prepared for the exam.
(ii) Babu invited Danish to his home because he enjoys playing chess.
Which of the following is the CORRECT observation about the above two
sentences?
(A) (i) is grammatically correct and (ii) is unambiguous
(B) (i) is grammatically incorrect and (ii) is unambiguous
(C) (i) is grammatically correct and (ii) is ambiguous
(D) (i) is grammatically incorrect and (ii) is ambiguous
CS, Set-1 - Copyright © GATE 2021 Page 3 of 40
(i) Everybody in the class is prepared for the exam.
(ii) Babu invited Danish to his home because he enjoys playing chess.
Which of the following is the CORRECT observation about the above two
sentences?
(A) (i) is grammatically correct and (ii) is unambiguous
(B) (i) is grammatically incorrect and (ii) is unambiguous
(C) (i) is grammatically correct and (ii) is ambiguous
(D) (i) is grammatically incorrect and (ii) is ambiguous
CS, Set-1 - Copyright © GATE 2021 Page 3 of 40
Page 4
Q.4
A circular sheet of paper is folded along the lines in the directions shown. The
paper, after being punched in the final folded state as shown and unfolded in the
reverse order of folding, will look like _______.
(A)
(B)
(C)
(D)
CS, Set-1 - Copyright © GATE 2021 Page 4 of 40
A circular sheet of paper is folded along the lines in the directions shown. The
paper, after being punched in the final folded state as shown and unfolded in the
reverse order of folding, will look like _______.
(A)
(B)
(C)
(D)
CS, Set-1 - Copyright © GATE 2021 Page 4 of 40
Page 5
Q.5 _____ is to surgery as writer is to ________
Which one of the following options maintains a similar logical relation in the
above sentence?
(A) Plan, outline
(B) Hospital, library
(C) Doctor, book
(D) Medicine, grammar
CS, Set-1 - Copyright © GATE 2021 Page 5 of 40
Which one of the following options maintains a similar logical relation in the
above sentence?
(A) Plan, outline
(B) Hospital, library
(C) Doctor, book
(D) Medicine, grammar
CS, Set-1 - Copyright © GATE 2021 Page 5 of 40
Page 6
Q. 6 – Q. 10 Multiple Choice Question (MCQ), carry TWO marks each (for each wrong
answer: – 2/3).
Q.6 We have 2 rectangular sheets of paper, M and N, of dimensions 6 cm x 1 cm each.
Sheet M is rolled to form an open cylinder by bringing the short edges of the sheet
together. Sheet N is cut into equal square patches and assembled to form the
largest possible closed cube. Assuming the ends of the cylinder are closed, the
ratio of the volume of the cylinder to that of the cube is __________
(A) 𝜋
2
(B) 3
𝜋
(C) 9
𝜋
(D) 3𝜋
CS, Set-1 - Copyright © GATE 2021 Page 6 of 40
answer: – 2/3).
Q.6 We have 2 rectangular sheets of paper, M and N, of dimensions 6 cm x 1 cm each.
Sheet M is rolled to form an open cylinder by bringing the short edges of the sheet
together. Sheet N is cut into equal square patches and assembled to form the
largest possible closed cube. Assuming the ends of the cylinder are closed, the
ratio of the volume of the cylinder to that of the cube is __________
(A) 𝜋
2
(B) 3
𝜋
(C) 9
𝜋
(D) 3𝜋
CS, Set-1 - Copyright © GATE 2021 Page 6 of 40
Page 7
Q.7 Items Cost Profit % Marked Price
(₹) (₹)
P 5,400 --- 5,860
Q --- 25 10,000
Details of prices of two items P and Q are presented in the above table. The ratio
of cost of item P to cost of item Q is 3:4. Discount is calculated as the difference
between the marked price and the selling price. The profit percentage is
calculated as the ratio of the difference between selling price and cost, to the cost
Selling price−Cost
(Profit % = × 100).
Cost
The discount on item Q, as a percentage of its marked price, is ______
(A) 25
(B) 12.5
(C) 10
(D) 5
CS, Set-1 - Copyright © GATE 2021 Page 7 of 40
(₹) (₹)
P 5,400 --- 5,860
Q --- 25 10,000
Details of prices of two items P and Q are presented in the above table. The ratio
of cost of item P to cost of item Q is 3:4. Discount is calculated as the difference
between the marked price and the selling price. The profit percentage is
calculated as the ratio of the difference between selling price and cost, to the cost
Selling price−Cost
(Profit % = × 100).
Cost
The discount on item Q, as a percentage of its marked price, is ______
(A) 25
(B) 12.5
(C) 10
(D) 5
CS, Set-1 - Copyright © GATE 2021 Page 7 of 40
Page 8
Q.8 There are five bags each containing identical sets of ten distinct chocolates. One
chocolate is picked from each bag.
The probability that at least two chocolates are identical is ___________
(A) 0.3024
(B) 0.4235
(C) 0.6976
(D) 0.8125
CS, Set-1 - Copyright © GATE 2021 Page 8 of 40
chocolate is picked from each bag.
The probability that at least two chocolates are identical is ___________
(A) 0.3024
(B) 0.4235
(C) 0.6976
(D) 0.8125
CS, Set-1 - Copyright © GATE 2021 Page 8 of 40
Page 9
Q.9 Given below are two statements 1 and 2, and two conclusions I and II.
Statement 1: All bacteria are microorganisms.
Statement 2: All pathogens are microorganisms.
Conclusion I: Some pathogens are bacteria.
Conclusion II: All pathogens are not bacteria.
Based on the above statements and conclusions, which one of the following
options is logically CORRECT?
(A) Only conclusion I is correct
(B) Only conclusion II is correct
(C) Either conclusion I or II is correct.
(D) Neither conclusion I nor II is correct.
CS, Set-1 - Copyright © GATE 2021 Page 9 of 40
Statement 1: All bacteria are microorganisms.
Statement 2: All pathogens are microorganisms.
Conclusion I: Some pathogens are bacteria.
Conclusion II: All pathogens are not bacteria.
Based on the above statements and conclusions, which one of the following
options is logically CORRECT?
(A) Only conclusion I is correct
(B) Only conclusion II is correct
(C) Either conclusion I or II is correct.
(D) Neither conclusion I nor II is correct.
CS, Set-1 - Copyright © GATE 2021 Page 9 of 40
Page 10
Q.10 Some people suggest anti-obesity measures (AOM) such as displaying calorie
information in restaurant menus. Such measures sidestep addressing the core
problems that cause obesity: poverty and income inequality.
Which one of the following statements summarizes the passage?
(A) The proposed AOM addresses the core problems that cause obesity.
(B) If obesity reduces, poverty will naturally reduce, since obesity causes poverty.
(C) AOM are addressing the core problems and are likely to succeed.
(D) AOM are addressing the problem superficially.
CS, Set-1 - Copyright © GATE 2021 Page 10 of 40
information in restaurant menus. Such measures sidestep addressing the core
problems that cause obesity: poverty and income inequality.
Which one of the following statements summarizes the passage?
(A) The proposed AOM addresses the core problems that cause obesity.
(B) If obesity reduces, poverty will naturally reduce, since obesity causes poverty.
(C) AOM are addressing the core problems and are likely to succeed.
(D) AOM are addressing the problem superficially.
CS, Set-1 - Copyright © GATE 2021 Page 10 of 40
Page 11
Q.1 – Q.10 Multiple Choice Question (MCQ), carry ONE mark each (for each wrong
answer: – 1/3).
CS, Set-1 - Copyright © GATE 2021 Page 11 of 40
answer: – 1/3).
CS, Set-1 - Copyright © GATE 2021 Page 11 of 40
Page 12
CS, Set-1 - Copyright © GATE 2021 Page 12 of 40
Page 13
CS, Set-1 - Copyright © GATE 2021 Page 13 of 40
Page 14
CS, Set-1 - Copyright © GATE 2021 Page 14 of 40
Page 15
CS, Set-1 - Copyright © GATE 2021 Page 15 of 40
Page 16
Q.11 – Q.15 Multiple Select Question (MSQ), carry ONE mark each (no negative marks).
CS, Set-1 - Copyright © GATE 2021 Page 16 of 40
CS, Set-1 - Copyright © GATE 2021 Page 16 of 40
Page 17
CS, Set-1 - Copyright © GATE 2021 Page 17 of 40
Page 18
CS, Set-1 - Copyright © GATE 2021 Page 18 of 40
Page 19
Q.16 – Q.25 Numerical Answer Type (NAT), carry ONE mark each (no negative marks).
CS, Set-1 - Copyright © GATE 2021 Page 19 of 40
CS, Set-1 - Copyright © GATE 2021 Page 19 of 40
Page 20
CS, Set-1 - Copyright © GATE 2021 Page 20 of 40
Page 21
CS, Set-1 - Copyright © GATE 2021 Page 21 of 40
Page 22
Q.26 – Q.39 Multiple Choice Question (MCQ), carry TWO mark each (for each wrong
answer: – 2/3).
CS, Set-1 - Copyright © GATE 2021 Page 22 of 40
answer: – 2/3).
CS, Set-1 - Copyright © GATE 2021 Page 22 of 40
Page 23
CS, Set-1 - Copyright © GATE 2021 Page 23 of 40
Page 24
CS, Set-1 - Copyright © GATE 2021 Page 24 of 40
Page 25
CS, Set-1 - Copyright © GATE 2021 Page 25 of 40
Page 26
CS, Set-1 - Copyright © GATE 2021 Page 26 of 40
Page 27
CS, Set-1 - Copyright © GATE 2021 Page 27 of 40
Page 28
CS, Set-1 - Copyright © GATE 2021 Page 28 of 40
Page 29
CS, Set-1 - Copyright © GATE 2021 Page 29 of 40
Page 30
CS, Set-1 - Copyright © GATE 2021 Page 30 of 40
Page 31
CS, Set-1 - Copyright © GATE 2021 Page 31 of 40
Page 32
CS, Set-1 - Copyright © GATE 2021 Page 32 of 40
Page 33
Q.40 – Q.47 Multiple Select Question (MSQ), carry TWO mark each (no negative marks).
CS, Set-1 - Copyright © GATE 2021 Page 33 of 40
CS, Set-1 - Copyright © GATE 2021 Page 33 of 40
Page 34
CS, Set-1 - Copyright © GATE 2021 Page 34 of 40
Page 35
CS, Set-1 - Copyright © GATE 2021 Page 35 of 40
Page 36
CS, Set-1 - Copyright © GATE 2021 Page 36 of 40
Page 37
CS, Set-1 - Copyright © GATE 2021 Page 37 of 40
Page 38
Q.48 – Q.55 Numerical Answer Type (NAT), carry TWO mark each (no negative marks).
CS, Set-1 - Copyright © GATE 2021 Page 38 of 40
CS, Set-1 - Copyright © GATE 2021 Page 38 of 40
Page 39
CS, Set-1 - Copyright © GATE 2021 Page 39 of 40
Page 40
CS, Set-1 - Copyright © GATE 2021 Page 40 of 40
Document Details
| Board / Org | IIT |
| Exam | Graduate Aptitude Test in Engineering |
| Type | Question Paper |
| Pages | 40 |
| Language | english |
| Updated | 30 Apr 2026 |