Page 1
ACADEMIC YEAR
2024
Karnataka
Board
Model Paper
Page 2
PÜ®ÝìoPÜ ÍÝÇÝ ±ÜÄàûæ ÊÜáñÜᤠÊÜåèÆÂ¯|ì¿á ÊÜáívÜÈ
ÊÜáÇæÉàÍÜÌÃÜí, ¸æíWÜÙÜãÃÜá & 560 003
KARNATAKA SCHOOL EXAMINATION AND ASSESSMENT BOARD
Malleshwaram, Bengaluru – 560 003
2023-24 ÃÜ GÓ….GÓ….GÇ….Ô. ÊÜÞ¨ÜÄ ±ÜÅÍæ°±Ü£ÅPæ
S.S.L.C. MODEL QUESTION PAPER – 2023-24
…Œ⁄æ⁄fl : V⁄{}⁄
Subject : MATHEMATICS
( AMV⁄« »⁄·¤®⁄¥¿»⁄fl / English Medium )
ÓÜÊÜá¿á : 3 WÜípæ 15 ¯ËáÐÜWÜÙÜá ] ËÐÜ¿á ÓÜíPæàñÜ : 81-E
WÜÄÐÜu AíPÜWÜÙÜá : 80 ] Subject Code : 81-E
CCE-RF : ÍÝÇÝ Ë¨Ý¦ìWÜÙÜá / Regular Fresh
General Instructions to the Candidate :
1. This question paper consists of 38 questions.
2. Question paper has been sealed by reverse jacket. You have to cut on
the right side to open the paper at the time of commencement of the
examination. Check whether all the pages of the question paper are
intact.
3. Follow the instructions given against the questions.
4. Figures in the right hand margin indicate maximum marks for the
questions.
5. The maximum time to answer the paper is given at the top of the
question paper. It includes 15 minutes for reading the question paper.
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81-E 2 CCE RF
I. Four alternatives are given for each of the following questions /
incomplete statements. Choose the correct alternative and write
the complete answer along with its letter of alphabet. 8×1=8
1. Every positive odd integer is of the form ( where q is a positive
integer )
(A) 2q + 1
(B) 2q + 2
(C) 2q + 4
(D) 2q
2. The lines represented by the pair of linear equations x + 2y = 8
and 2x + 4y = 10 are
(A) intersecting each other
(B) perpendicular to each other
(C) coincident
(D) parallel to each other
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81-E 3 CCE RF
3. The n th term ( a n ) of the Arithmetic progression whose first
term is ‘a’ and common difference ‘d’ is
(A) an = a + ( n + 1 ) d
n
(B) an = [a + (n −1)d ]
2
(C) an = a + ( n – 1 ) d
(D) an = a ( n – 1 ) d
4. Sum of the zeroes of the polynomial p ( x ) = x 2 – 2x – 8 is
(A) –8 (B) 2
(C) –2 (D) 8
5. If tan θ = 1, then the value of sec θ is
1
(A) (B) 3
3
1
(C) 2 (D)
2
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81-E 4 CCE RF
6. The correct relation related to the ∆ PQR given in the figure is
(A) PQ 2 = PR 2 + QR 2 (B) PR 2 = PQ 2 + QR 2
(C) QR 2 = PR 2 + PQ 2 (D) PQ 2 = PR 2 − QR 2
7. The volume of a cone having radius ‘r’ and height ‘h’ is
(A) πr 2 h (B) 2 πrh
2 1
(C) πr 2 h (D) πr 2 h
3 3
8. In ∆ ABC, if AB = 3 units, BC = 1 unit, AC = 2 units and
ACB = θ , then the value of ‘θ’ is
(A) 0° (B) 60°
(C) 45° (D) 90°
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81-E 5 CCE RF
II. Answer the following questions : 8×1=8
9. The HCF and LCM of two numbers are 4 and 60 respectively. If
one of the numbers is 12, then find the other number.
10. Write the degree of the polynomial
g ( p ) = 7 p 4 − 2p 3 + 3p 2 + p − 3
11. Find the 5 th term of the Arithmetic progression 3, 1, – 1, .... .
12. Express the quadratic equation 2x = 3 x 2 – 5 in the standard
form.
1 3
13. If sin A = , cos A = , then find the value of tan A.
2 2
14. A fair coin is tossed once. Find the probability of getting Head.
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81-E 6 CCE RF
15. In the given figure, if AOB = 2 APB , then find the value of
APB .
16. Write the formula to find the curved surface area of the frustum
of a cone given in the figure.
III. Answer the following questions : 8 × 2 = 16
17. Prove that 2 + 3 is irrational.
OR
Find the HCF of 64 and 332 by using Euclid’s division algorithm.
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81-E 7 CCE RF
18. Solve by elimination method :
2x + 3y = 14
2x + y = 10
19. Find the sum of first 30 terms of the Arithmetic progression
3, 7, 11, .... using formula.
20. Find the roots of the equation x 2 – 7x + 12 = 0 using quadratic
formula.
21. Prove that sin 30° + cos 60° + tan 45° = sec 60°.
OR
cos A 1 + sin A
Prove that + = 2 sec A .
1 + sin A cos A
22. Find the coordinates of the point which divides the line segment
joining the points ( 2, 1 ) and ( 7, 6 ) in the ratio 3 : 2.
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81-E 8 CCE RF
23. A box contains tokens which are numbered from 1 to 15. A token
is drawn at random from the box. Find the probability that the
token does not bear a prime number.
24. Draw a pair of tangents to the circle of radius 4 cm which are
inclined to each other at an angle of 60°.
IV. Answer the following questions : 9 × 3 = 27
25. Divide p ( x ) = x 4 – 3 x 2 + 4x + 5 by g ( x ) = x 2 – 1 and find the
quotient [ q ( x ) ] and remainder [ r ( x ) ].
OR
On dividing x 3 − 3x 2 + x + 2 by a polynomial g ( x ) the quotient
and remainder are ( x – 2 ) and ( – 2x + 4 ) respectively. Find
g ( x ).
26. The diagonal of a rectangular field is 20 m more than the shorter
side of it. If the shorter side is 10 m less than the longer side,
then find the sides of the rectangular field.
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81-E 9 CCE RF
27. Find the area of a triangle PQR whose vertices are P ( 1, 6 ),
Q ( 3, 2 ) and R ( 10, 8 ).
OR
ABC is a triangle whose vertices are A ( 1, 4 ), B ( – 2, – 2 ),
C ( 4, – 2 ). If AD is median to BC, then find the length of AD.
28. Find the mean for the distribution given below :
Class-interval Frequency
0 – 10 4
10 – 20 6
20 – 30 17
30 – 40 13
40 – 50 7
50 – 60 3
OR
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81-E 10 CCE RF
Find the mode for the following data :
Class-interval Frequency
1–5 1
5 – 10 2
10 – 15 13
15 – 20 15
20 – 25 7
25 – 30 2
29. The following table gives production yield per hectare of paddy of
100 farms of a village. Draw a ‘more than type ogive’ for the given
data :
Production yield Number of farms
( In kg/hectare ) ( cumulative frequency )
50 or more than 50 100
55 or more than 55 98
60 or more than 60 90
65 or more than 65 77
70 or more than 70 49
75 or more than 75 15
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81-E 11 CCE RF
30. In the figure BAC = ADB , BC = 8 cm and AB = 6 cm.
Area of ∆ ABC 16
Prove that = .
Area of ∆ ABD 9
31. Prove that “The lengths of tangents drawn from an external point
to a circle are equal”.
32. Construct a triangle with sides 5 cm, 6 cm and 9 cm and then
2
construct another triangle whose sides are of the
3
corresponding sides of the first triangle.
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81-E 12 CCE RF
33. In the figure, ‘O’ is the centre of the circle of radius 5 cm and
APB is an equilateral triangle of side 8 cm. AP and BP are
tangents. Find the area of the shaded region.
OR
ABCD is a rectangle and APB is a semicircle as shown in the
figure. The length ( BC ) of the rectangle is 3 times the radius of
the semicircle and the total area of the figure APBCDA is
371 cm 2 , then find the length of the semicircular arc.
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81-E 13 CCE RF
V. Answer the following questions : 4 × 4 = 16
34. Find the solutions of the given pair of linear equations by
graphical method :
x+y=4
2x + y = 7
35. There are 20 terms in an Arithmetic progression. The sum of the
first term and 6th term of the progression is zero. The 4 th and
5 th terms of the progression are 2 and 6 respectively. Find the
Arithmetic progression and also find which term of the
progression is 62.
36. A man standing at the point ‘A’ on the building (AD) observes a
car at point ‘C’ on a straight road from the foot of the building.
The car moves 500 m towards the building and reaches the point
‘B’, now he observes the car from point ‘A’. The angles of
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81-E 14 CCE RF
depression in these cases are complementary to each other. If the
car takes 9 minutes to reach from point ‘C’ to point ‘D’ at the
speed of 100 m/minute, then find the height of the building.
OR
In ∆ ABC, AD ⊥ BC. If ABC = 60°, ACB = 30° and
BC = 36 cm, then find measures of AB, AC and AD.
37. Prove “Basic proportionality theorem.” ( Thale's theorem ).
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81-E 15 CCE RF
VI. Answer the following question : 1×5=5
38. A test tube is made up of a cylinder and a hemisphere as shown
in the figure. If the diameter of the hemisphere is 3·5 cm and the
total height of the test tube is 17·5 cm, then find the curved
surface area of the test tube and the quantity of the solution that
could be completely filled in the hemispherical part.
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Page 18
PÜ®ÝìoPÜ ÍÝÇÝ ±ÜÄàûæ ÊÜáñÜᤠÊÜåèÆÂ¯|ì¿á ÊÜáívÜÈ
ÊÜáÇæÉàÍÜÌÃÜí, ¸æíWÜÙÜãÃÜá & 560 003
KARNATAKA SCHOOL EXAMINATION AND ASSESSMENT BOARD
Malleshwaram, Bengaluru – 560 003
2023-24 ÃÜ GÓ….GÓ….GÇ….Ô. ÊÜÞ¨ÜÄ ±ÜÅÍæ°±Ü£ÅPæ
S.S.L.C. MODEL QUESTION PAPER – 2023-24
ËÐÜ¿á : WÜ~ñÜ
Subject : MATHEMATICS
PܮܰvÜ ÊÜÞ«ÜÂÊÜá / Kannada Medium
ÓÜÊÜá¿á 3 WÜípæ 15 ¯ËáÐÜWÜÙÜá ] ËÐÜ¿á ÓÜíPæàñÜ : 81-K
WÜÄÐÜu AíPÜWÜÙÜá 80 ] Subject Code : 81-K
CCE-RF : ÍÝÇÝ Ë¨Ý¦ìWÜÙÜá / Regular Fresh
±ÜÄàûݦìWÝX ÓÝÊÜޮܠÓÜãaÜ®æWÜÙÜá
1. D ±ÜÅÍæ°±Ü£ÅPæ¿áá Joár 38 ±ÜÅÍæ°WÜÙÜ®Üá° Öæãí©¨æ.
2. ±ÜÅÍæ°±Ü£ÅPæ¿á®Üá° ×ÊÜáá¾S hÝPæp… ÊÜáãÆPÜ ÊæãÖÜÃÜá ÔàÇ… ÊÜÞvÜÇÝX¨æ. ±ÜÄàûæ
±ÝÅÃÜí»ÜÊÝWÜáÊÜ ÓÜÊÜá¿áPæR ¯ÊÜá¾ ±ÜÅÍæ°±Ü£ÅPæ¿á ŸÆŸ© ±ÝÍÜÌìÊÜ®Üá° PÜñܤÄÔ,
±ÜÅÍæ°±Ü£ÅPæ¿áÈÉ GÇÝÉ ±ÜâoWÜÙÜá CÊæÁáà Gí¨Üá ±ÜÄàüÔPæãÚÛ.
3. ±ÜÅÍæ°WÜÚWæ PæãqrÃÜáÊÜ ÓÜãaÜ®æWÜÙÜ®Üá° ±ÝÈÔ.
4. ŸÆ »ÝWܨÜÈÉ PæãqrÃÜáÊÜ AíQWÜÙÜá ±ÜÅÍæ°WÜÚXÃÜáÊÜ ±Üä|ì AíPÜWÜÙÜ®Üá° ñæãàÄÓÜáñÜ¤Êæ.
5. ±ÜÅÍæ°±Ü£ÅPæ¿á®Üá° K©PæãÙÜÛÆá 15 ¯ËáÐÜWÜÙÜ PÝÇÝÊÜPÝÍÜÊÜâ ÓæàĨÜíñæ, EñܤÄÓÜÆá
¯WÜ©±ÜwÓÜÇÝ¨Ü ÓÜÊÜá¿áÊÜ®Üá° ±ÜÅÍæ°±Ü£ÅPæ¿á ÊæáàÇݽWܨÜÈÉ ¯àvÜÇÝX¨æ.
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81-K 2 CCE RF
I. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR ±Ü¿Þì¿á EñܤÃÜWÜÙÜ®Üá°
¯àvÜÇÝX¨æ. AÊÜâWÜÙÜÈÉ ÓÜãPܤÊÝ¨Ü EñܤÃÜÊÜ®Üá° BÄÔ, A¨ÜÃÜ PÜÅÊÜÞûÜÃܨæãvÜ®æ ±Üä|ì
EñܤÃÜÊÜ®Üá° ŸÃæÀáÄ 8×1=8
1. ‘q’ Jí¨Üá «Ü®Ü ±ÜäOÝìíPÜÊݨÝWÜ ¿ÞÊÜâ¨æà «Ü®Ü ¸æÓÜ ±ÜäOÝìíPÜ¨Ü ÓÝÊÜÞ®ÜÂ
ÃÜã±ÜÊÜâ
(A) 2q + 1
(B) 2q + 2
(C) 2q + 4
(D) 2q
2. x + 2y = 8 ÊÜáñÜᤠ2x + 4y = 10 D hæãàw ÃæàTÝñܾPÜ ÓÜËáàPÜÃÜ|WÜÙÜ®Üá°
±ÜÅ£¯˜ÓÜáÊÜ ÃæàTæWÜÙÜá
(A) ±ÜÃÜÓܳÃÜ dæà©ÓÜáñÜ¤Êæ
(B) ±ÜÃÜÓܳÃÜ ÆíŸÊÝXÃÜáñÜ¤Êæ
(C) IPÜÂWæãÙÜáÛñÜ¤Êæ
(D) ±ÜÃÜÓܳÃÜ ÓÜÊÜÞíñÜÃÜÊÝXÃÜáñÜ¤Êæ
Page 20
81-K 3 CCE RF
3. Jí¨Üá ÓÜÊÜÞíñÜÃÜ ÍæÅà{¿á Êæã¨ÜÆ ±Ü¨Ü ‘a’ ÊÜáñÜᤠÓÝÊÜޮܠÊÜÂñÝÂÓÜ ‘d’
B¨ÝWÜ, A¨ÜÃÜ ‘n’ ®æà ±Ü¨ÜÊÜâ ( a n )
(A) an = a + ( n + 1 ) d
(B) an n [ a ( n 1 ) d ]
2
(C) an = a + ( n – 1 ) d
(D) an = a ( n – 1 ) d
4. p ( x ) = x 2 – 2x – 8 D ŸÖÜá±Ü¨æãàQ¤¿á ÍÜã®ÜÂñæWÜÙÜ ÊæãñܤÊÜâ
(A) –8 (B) 2
(C) –2 (D) 8
5. tan = 1 B¨ÝWÜ, sec ¨Ü ¸æÇæ¿áá
(A) 1 (B) 3
3
(C) 2 (D) 1
2
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81-K 4 CCE RF
6. bñÜŨÜÈÉ PæãqrÃÜáÊÜ £Å»Üág PQR Wæ ÓÜÄÖæãí¨ÜáÊÜ ÓÜíŸí«ÜÊÜâ
(A) PQ2 PR2 QR 2 (B) PR2 PQ2 QR 2
(C) QR 2 PR2 PQ2 (D) PQ2 PR2 QR 2
7. £Åg ‘r’ ÊÜáñÜᤠGñܤÃÜ ‘h’ BXÃÜáÊÜ ÍÜíPÜá訆 Z®Ü¶ÜÆÊÜâ
(A) r 2 h (B) 2 rh
(C) 2 r 2 h (D) 1 r 2 h
3 3
8. ABC ¿áÈÉ AB = 3 ÊÜÞ®ÜWÜÙÜá, BC = 1 ÊÜÞ®Ü, AC = 2 ÊÜÞ®ÜWÜÙÜá ÊÜáñÜá¤
ACB B¨ÝWÜ, ‘’ ¨Ü ¸æÇæ¿áá
(A) 0° (B) 60°
(C) 45° (D) 90°
Page 22
81-K 5 CCE RF
II. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 8×1=8
9. GÃÜvÜá ÓÜíTæÂWÜÙÜ ÊÜá.ÓÝ.A. ÊÜáñÜᤠÆ.ÓÝ.A.WÜÙÜá PÜÅÊÜáÊÝX 4 ÊÜáñÜᤠ60 BXÊæ.
Jí¨Üá ÓÜíTæÂ 12 B¨ÜÃæ C®æã°í¨Üá ÓÜíTæÂ¿á®Üá° PÜívÜá×wÀáÄ.
10. g ( p ) = 7 p 4 2 p 3 3 p 2 p 3 ŸÖÜá±Ü¨æãàQ¤¿á ÊÜáÖÜñܤÊÜá [ÝñÜÊÜ®Üá°
wXÅ ŸÃæÀáÄ.
11. 3, 1, – 1, .... D ÓÜÊÜÞíñÜÃÜ ÍæÅà{¿á 5 ®æà ±Ü¨ÜÊÜ®Üá° PÜívÜá×wÀáÄ.
12. 2x = 3 x 2 – 5 D ÊÜWÜìÓÜËáàPÜÃÜ|ÊÜ®Üá° B¨ÜÍÜìÃÜã±Ü¨ÜÈÉ ÊÜÂPܤ±ÜwÔ.
13. sin A = 1 , cos A = 3 B¨ÝWÜ, tan A ¸æÇæ¿á®Üá° PÜívÜá×wÀáÄ.
2 2
14. Jí¨Üá PÜáí©ÆÉ¨Ü ®Ý|ÂÊÜ®Üá° Jí¨Üá ¸ÝÄ bËá¾Ô¨ÝWÜ ÎÃÜ ÊÜ®Üá° ±Üvæ¿ááÊÜ
ÓÜí»ÜÊܯà¿áñæ¿á®Üá° PÜívÜá×wÀáÄ.
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81-K 6 CCE RF
15. PæãqrÃÜáÊÜ bñÜŨÜÈÉ AOB 2 APB B¨ÜÃæ, APB ¿á ¸æÇæ¿á®Üá°
PÜívÜá×wÀáÄ.
16. bñÜŨÜÈÉ PæãqrÃÜáÊÜ ÍÜíPÜá訆 ¼®Ü°PÜ¨Ü ±ÝÍÜÌì ÊæáàÇæ¾„ ËÔ¤à|ìÊÜ®Üá°
PÜívÜá×w¿ááÊÜ ÓÜãñÜÅÊÜ®Üá° ŸÃæÀáÄ.
III. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 8 × 2 = 16
17. 2 + 3 Jí¨Üá A»ÝWÜÆŸœ ÓÜíTæÂ Gí¨Üá ÓݘÔ.
A¥ÜÊÝ
64 ÊÜáñÜᤠ332 ÃÜ ÊÜá.ÓÝ.A.ÊÜ®Üá° ¿ááQÉv…®Ü »ÝWÝPÝÃÜ PÜÅÊÜá˘¿á®Üá°
E±ÜÁãàXÔ PÜívÜá×wÀáÄ.
Page 24
81-K 7 CCE RF
18. ÊÜiìÓÜáÊÜ Ë«Ý®Ü©í¨Ü ¹wÔ
2x + 3y = 14
2x + y = 10
19. 3, 7, 11, .... D ÓÜÊÜÞíñÜÃÜ ÍæÅà{¿á Êæã¨ÜÆ 30 ±Ü¨ÜWÜÙÜ ÊæãñܤÊÜ®Üá° ÓÜãñÜÅ
E±ÜÁãàXÔ PÜívÜá×wÀáÄ.
20. x 2 – 7x + 12 = 0 D ÊÜWÜìÓÜËáàPÜÃÜ|¨Ü ÊÜáãÆWÜÙÜ®Üá° ÊÜWÜìÓÜËáàPÜÃÜ| ÓÜãñÜÅ
E±ÜÁãàXÔ PÜívÜá×wÀáÄ.
21. sin 30° + cos 60° + tan 45° = sec 60° Gí¨Üá ÓݘÔ.
A¥ÜÊÝ
cos A 1 sin A
2 sec A Gí¨Üá ÓݘÔ.
1 sin A cos A
22. ( 2, 1 ) ÊÜáñÜᤠ( 7, 6 ) ¹í¨ÜáWÜÙÜ®Üá° ÓæàÄÓÜáÊÜ ÃæàTÝSívÜÊÜ®Üá° 3 : 2 ÃÜ
A®Üá±ÝñܨÜÈÉ Ë»ÝXÓÜáÊÜ ¹í¨Üá訆 ¯¨æàìÍÝíPÜWÜÙÜ®Üá° PÜívÜá×wÀáÄ.
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81-K 8 CCE RF
23. Jí¨Üá ±æqrWæ¿áÈÉ 1 Äí¨Ü 15 ÃÜÊÜÃæWæ ®ÜÊÜáã¨ÝXÃÜáÊÜ ¹ÇæÉWÜÚÊæ. ±æqrWæÀáí¨Ü
Jí¨Üá ¹ÇæÉ¿á®Üá° ¿Þ¨ÜêbfPÜÊÝX ÖæãÃÜñæWæ¨ÝWÜ A¨Üá AË»Ýg ÓÜíTæÂ¿á®Üá°
Öæãí©ÆÉ¨Ü ÓÜí»ÜÊܯà¿áñæ¿á®Üá° PÜívÜá×wÀáÄ.
24. 4 cm £ÅgÂÊÜâÙÜÛ ÊÜêñܤÊÜ®Üá° ÃÜbÔ, D ÊÜêñܤPæR ÓܳÍÜìPÜWÜÙÜ ®ÜvÜá訆 Pæãà®Ü 60°
CÃÜáÊÜíñæ Jí¨Üá hæãñæ ÓܳÍÜìPÜWÜÙÜ®Üá° GÙæÀáÄ.
IV. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 9 × 3 = 27
25. p ( x ) = x 4 – 3 x 2 + 4x + 5 ®Üá° g ( x ) = x 2 – 1 Äí¨Ü »ÝXÔ »ÝWÜÆŸœ
[ q ( x ) ] ÊÜáñÜá¤ ÍæàÐÜ [ r ( x ) ] PÜívÜá×wÀáÄ.
A¥ÜÊÝ
x 3 3x 2 x 2 ®Üá° g ( x ) GíŸ ŸÖÜá±Ü¨æãàQ¤Àáí¨Ü »ÝXÔ¨ÝWÜ ÔWÜáÊÜ
»ÝWÜÆŸœ ÊÜáñÜá¤ ÍæàÐÜWÜÙÜá PÜÅÊÜáÊÝX ( x – 2 ) ÊÜáñÜᤠ( – 2x + 4 ) B¨ÜÃæ, g ( x )
®Üá° PÜívÜá×wÀáÄ.
26. Jí¨Üá B¿áñÝPÝÃÜ¨Ü gËáà¯®Ü PÜ|ìÊÜâ A¨ÜÃÜ bPÜR ¸ÝÖÜáËXíñÜ 20 m
ÖæaÝcX¨æ. bPÜR ¸ÝÖÜáÊÜâ ¨æãvÜx ¸ÝÖÜáËXíñÜ 10 m PÜwÊæá BX¨ÜªÃæ, B
B¿áñÝPÝÃÜ¨Ü gËáà¯®Ü ¸ÝÖÜáWÜÙÜ AÙÜñæ PÜívÜá×wÀáÄ.
Page 26
81-K 9 CCE RF
27. P ( 1, 6 ), Q ( 3, 2 ) ÊÜáñÜᤠR ( 10, 8 ) ÍÜêíWܹí¨ÜáWÜÙÜ®Üá° Öæãí©ÃÜáÊÜ
PQR £Å»Üág¨Ü ËÔ¤à|ìÊÜ®Üá° PÜívÜá×wÀáÄ.
A¥ÜÊÝ
ABC £Å»Üág¨Ü ÍÜêíWܹí¨ÜáWÜÙÜá A ( 1, 4 ), B ( – 2, – 2 ), C ( 4, – 2 )
BXÊæ, ÊÜáñÜᤠAD ¿áá BC ¿á ÊÜá«ÜÂÃæàTæ¿ÞX¨æ. AD ¿á E¨ÜªÊÜ®Üá°
PÜívÜá×wÀáÄ.
28. D PæÙÜX®Ü ¨ÜñݤíÍÜWÜÚWæ ÓÜÃÝÓÜÄ¿á®Üá° PÜívÜá×wÀáÄ
ÊÜWÝìíñÜÃÜ BÊÜ꣤
0 — 10 4
10 — 20 6
20 — 30 17
30 — 40 13
40 — 50 7
50 — 60 3
A¥ÜÊÝ
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81-K 10 CCE RF
D PæÙÜX®Ü ¨ÜñݤíÍÜWÜÚWæ ŸÖÜáÆPÜÊÜ®Üá° PÜívÜá×wÀáÄ
ÊÜWÝìíñÜÃÜ BÊÜ꣤
1—5 1
5 — 10 2
10 — 15 13
15 — 20 15
20 — 25 7
25 — 30 2
29. Jí¨Üá WÝÅÊÜá¨Ü 100 ÖæãÆWÜÙÜÈÉ ±ÜÅ£ ÖæPæràÃ…Wæ Eñݳ©ÓÜáÊÜ »Üñܤ¨Ü
CÙÜáÊÜÄ¿á®Üá° PæÙÜX®Ü PæãàÐÜrPÜÊÜâ ¯àvÜᣤ¨æ. D ¨ÜñݤíÍÜWÜÚWæ A˜PÜ Ë«Ý®Ü¨Ü
KiàÊ… ÃÜbÔ
Eñݳ¨Ü®Ý CÙÜáÊÜÄ ÖæãÆWÜÙÜ ÓÜíTæÂ
Pæi / ÖæPæràÃ…WÜÙÜÈÉ ÓÜíbñÜ BÊÜ꣤
50 A¥ÜÊÝ 50 QRíñÜ A˜PÜ 100
55 A¥ÜÊÝ 55 QRíñÜ A˜PÜ 98
60 A¥ÜÊÝ 60 QRíñÜ A˜PÜ 90
65 A¥ÜÊÝ 65 QRíñÜ A˜PÜ 77
70 A¥ÜÊÝ 70 QRíñÜ A˜PÜ 49
75 A¥ÜÊÝ 75 QRíñÜ A˜PÜ 15
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81-K 11 CCE RF
30. bñÜŨÜÈÉ BAC ADB , BC = 8 cm ÊÜáñÜᤠAB = 6 cm BX¨æ,
16
= Gí¨Üá ÓݘÔ.
9
31. ¸ÝÖÜ ¹í¨Üá˯í¨Ü ÊÜêñܤPæR GÙæ¨Ü ÓܳÍÜìPÜWÜÙÜ E¨ÜªÊÜâ ÓÜÊÜáÊÝXÃÜáñÜ¤Êæ Gí¨Üá
ÓݘÔ.
32. 5 cm, 6 cm ÊÜáñÜᤠ9 cm ¸ÝÖÜáWÜÚÃÜáÊÜ Jí¨Üá £Å»ÜágÊÜ®Üá° ÃÜbÔ, ®Üí ñÜÃÜ
ÊÜáñæã¤í¨Üá £Å»ÜágÊÜ®Üá°, A¨ÜÃÜ ±ÜÅ£Áãí¨Üá ¸ÝÖÜáÊÜâ Êæã¨ÜÆá ÃÜbÔ¨Ü
£Å»Üág¨Ü A®ÜáÃÜã±Ü ¸ÝÖÜáWÜÙÜ 32 ÃÜÑrÃÜáÊÜíñæ ÃÜbÔ.
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81-K 12 CCE RF
33. bñÜŨÜÈÉ ‘O’ Pæàí¨ÜÅÊÝXÃÜáÊÜ ÊÜêñܤ¨Ü £Åg 5 cm ÊÜáñÜᤠAPB ¿áá 8 cm
¸ÝÖÜáÊÜâÙÜÛ ÓÜÊÜá¸ÝÖÜá £Å»ÜágÊÝX¨æ. AP ÊÜáñÜᤠBP WÜÙÜá ÓܳÍÜìPÜWÜÙÜá. ÖÝWݨÜÃæ
dÝÀáàPÜêñÜ »ÝWÜ¨Ü ËÔ¤à|ìÊÜ®Üá° PÜívÜá×wÀáÄ.
A¥ÜÊÝ
bñÜŨÜÈÉ ñæãàÄÔÃÜáÊÜíñæ ABCD Jí¨Üá B¿áñÜ ÊÜáñÜᤠAPB ¿áá A«Üì
ÊÜêñܤÊÝX¨æ. B¿áñÜ¨Ü E¨ÜªÊÜâ ( BC ) A«ÜìÊÜêñܤ £Åg嬆 3 ÃÜÑr¨æ ÊÜáñÜá¤
APBCDA ¿á ±Üä|ì ËÔ¤à|ì 371 cm 2 BX¨ÜªÃæ, A«ÜìÊÜêñݤPÝÃÜ¨Ü PÜíÓܨÜ
E¨ÜªÊÜ®Üá° PÜívÜá×wÀáÄ.
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81-K 13 CCE RF
V. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 4 × 4 = 16
34. PæãqrÃÜáÊÜ ÃæàTÝñܾPÜ ÓÜËáàPÜÃÜ|WÜÙÜ hæãàw¿á ±ÜÄÖÝÃÜÊÜ®Üá° ®Üûæ¿á
˫ݮܩí¨Ü PÜívÜá×wÀáÄ
x+y=4
2x + y = 7
35. Jí¨Üá ÓÜÊÜÞíñÜÃÜ ÍæÅà{¿áÈÉ 20 ±Ü¨ÜWÜÚÊæ. ÍæÅà{¿á Êæã¨ÜÆ ±Ü¨Ü ÊÜáñÜᤠ6 ®æà
±Ü¨ÜWÜÙÜ ÊæãñܤÊÜâ Óæã®æ°¿ÞX¨æ. ÍæÅà{¿á 4 ®æà ÊÜáñÜᤠ5 ®æà ±Ü¨ÜWÜÙÜá PÜÅÊÜáÊÝX
2 ÊÜáñÜᤠ6 BX¨æ, ÖÝWݨÜÃæ ÓÜÊÜÞíñÜÃÜ ÍæÅà{¿á®Üá° PÜívÜá×wÀáÄ ÖÝWÜã
A¨ÜÃÜ GÐÜr®æà ±Ü¨ÜÊÜâ 62 BX¨æ
36. JŸº ÊÜÂQ¤¿áá AD PÜorvÜ¨Ü ÊæáàÇæ ‘A’ ¹í¨ÜáË®ÜÈÉ ¯í£¨Ýª®æ. PÜorvܨÜ
±Ý¨Ü©í¨Ü ÖæãÃÜvÜáÊÜ ®æàÃÜÊÝ¨Ü ÃÜÓæ¤¿á ÊæáàÇæ ‘C’ ¹í¨ÜáË®ÜÈÉÃÜáÊÜ PÝÃÜ®Üá°
ÊÜÂQ¤¿áá ËàüÓÜáñݤ®æ. PÝÃÜá PÜorvÜ¨Ü PÜvæWæ 500 m ¨ÜãÃÜÊÜ®Üá° aÜÈÔ
‘B’ ¹í¨ÜáÊÜ®Üá° ñÜÆá²¨ÝWÜ ÊÜÂQ¤¿áá ‘A’ ¹í¨Üá˯í¨Ü PÝÃÜ®Üá° ËàüÓÜáñݤ®æ. D
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81-K 14 CCE RF
GÃÜvÜã ÓÜí¨Ü»ÜìWÜÙÜÈÉ EípÝ¨Ü AÊÜ®ÜñÜ Pæãà®ÜWÜÙÜá ±ÜÃÜÓܳÃÜ ±ÜäÃÜPÜ
Pæãà®ÜWÜÙÝXÊæ. PÝÃÜá ‘C’ ¹í¨Üá˯í¨Ü ‘D’ ¹í¨ÜáËWæ 100 m/min gÊܨÜÈÉ
aÜÈÔ 9 ¯ËáÐÜWÜÙÜÈÉ ‘D’ ¹í¨ÜáÊÜ®Üá° ñÜÆá²¨ÜÃæ PÜorvÜ¨Ü GñܤÃÜÊÜ®Üá°
PÜívÜá×wÀáÄ.
A¥ÜÊÝ
ABC ¿áÈÉ AD BC BX¨æ, A B C = 60°, ACB = 30° ÊÜáñÜá¤
BC = 36 cm B¨ÜÃæ, AB, AC ÊÜáñÜᤠAD WÜÙÜ AÙÜñæWÜÙÜ®Üá° PÜívÜá×wÀáÄ.
37. ÊÜáãÆ ÓÜÊÜÞ®Üá±ÝñÜñæ¿á ±ÜÅÊæáà¿á ¥æàÇ…Õ ±ÜÅÊæáà¿á ÊÜ®Üá° ÓݘÔ.
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81-K 15 CCE RF
VI. PæÙÜX®Ü ±ÜÅÍæ°Wæ EñܤÄÔ 1×5=5
38. Jí¨Üá ±ÜÅ®ÝÙÜÊÜ®Üá° bñÜŨÜÈÉ ñæãàÄÔÃÜáÊÜíñæ Jí¨Üá ÔÈívÜÃ… ÊÜáñÜá¤
A«ÜìWæãàÙÜ©í¨Ü ÊÜÞvÜÇÝX¨æ. A«ÜìWæãàÙÜ¨Ü ÊÝÂÓÜ 3·5 cm ÊÜáñÜᤠ±ÜÅ®ÝÙܨÜ
Joár GñܤÃÜ 17·5 cm B¨ÜÃæ, ±ÜÅ®ÝÙÜ¨Ü ÊÜPÜÅ ÊæáàÇæ¾„ ËÔ¤à|ì ÊÜáñÜá¤
A«ÜìWæãàÙÝPÝÃÜ¨Ü »ÝWܨÜÈÉ ÓÜí±Üä|ìÊÝX ñÜáퟟÖÜá¨Ý¨Ü ¨ÝÅÊÜ|¨Ü
±ÜÅÊÜÞ|ÊÜ®Üá° PÜívÜá×wÀáÄ.
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