(Download) SSC : Solved Exam Paper of CHSL(10+2) Examination Held on 04.12.2011 (1st Sitting) - Quantitative Aptitude


SSC Combined Higher Secondary Level Exam Question Paper (Held on 04-12-2011)

(Data Entry Operator & LDC Exam)

Subject: Quantitative Aptitude

1. Of the three numbers, the sum of the first two is 55, sum of the second and third is 65 and sum of third with thrice of the first is 110. The third number is

(a) 25
(b) 30
(c) 35
(d) 28

2. The sum of the numerator and denominator of a positive fraction is 11. If 2 is added to both numerator and denominator, the fraction is increased by 1/24. The difference of numerator and denominator of the fraction is

(a) 5
(b) 3
(c) 1
(d) 9

3. The expression 26n – 42n, where n is a natural number is always divisible by
(a) 15
(b) 18
(c) 36
(d) 48

4. The sum of a pair of positive integers is 336 and their H.C.F. is 21. The number of such possible pairs is

(a) 2
(b) 3
(c) 4
(d) 5

5. The difference between the exterior and interior angles at a vertex of a regular polygon is 150°. The number of sides of the polygon is

(a) 10
(b) 15
(c) 24
(d) 30

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6. Two adjacent sides of a parallelogram are of lengths 15 cm and 18 cm. If the distance between two smaller sides is 12 cm, then the distance between two bigger sides is

(a) 8 cm
(b) 10 cm
(c) 12 cm
(d) 15 cm

7. A can do a work in 21 days. B is 40% more efficient than A. The number of days required for B to finish the same work alone is

(a) 10
(b) 12
(c) 15
(d) 18

8. A discount series of 10%. 20% and 40% is equal to a single discount of

(a) 50%
(b) 56.8%
(c) 70%
(d) 70.28%

9. In a shop, shirts are usually sold at 40% above the cost price. During a sale, the shopkeeper offers a discount of 10% off the usual selling price. If he manages to sell 72 shirts for Rs. 13,608, then his cost price per shirt, in Rs. is

(a) 210
(b) 150
(c) 149
(d) 125

10. Five years ago, the average age of P and Q was 25. The average age of P, Q and R today is 25. Age of R after 5 years will be

(a) 15
(b) 20
(c) 40
(d) 35


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