# (Download) SSC : Solved Exam Paper of CHSL(10+2) Examination Held on 11.12.2011 (1st Sitting) - Quantitative Aptitude

## SSC Combined Higher Secondary Level Exam Question Paper (Held on 11-12-2011)

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## Subject: Quantitative Aptitude

**1. From each of the two given unequal numbers, half the smaller number is
subtracted. Then, of the resulting numbers, the larger one is five times than
the smaller one. Then the ratio of the larger to smaller one is**

(a) 2 : 1

(b) 3 : 2

(c) 3 : 1

(d) 1 : 4

**2. When an integer K is divided by 3, the remainder is 1, and when K + 1
is divided by 5, the remainder is 0. Of the following, a possible value of K is
**

(a) 62

(b) 63

(c) 64

(d) 65

**3. A farmer has 945 cows and 2475 sheep. He farms then into flocks,
keeping cows and sheep separate and having the same number of animals in each
flock. If these flocks are as large as possible, then the maximum number of
animals in each flock and total number of flocks required for the purpose are
respectively**

(a) 15 and 228

(b) 9 and 380

(c) 45 and 76

(d) 46 and 75

**4. The number of sides in two regular polygons are in the ratio 5 : 4 and
the difference between each interior angle of the polygons is 6°. Then the
number of sides are **

(a) 15, 12

(b) 5A

(c) 10, 8

(d) 20, 16

**5. If the length of each side of a regular tetrahedron is 12 cm, then the
volume of the tetrahedron is**

(a) 144 V-2 cu. cm.

(b) 72 f cu. cm.

(c) 8, cu. cm.

(d) 12 J cu. cm.

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**6. A cone, a hemisphere and a cylinder stand on equal base and have the
same height. Their volumes are in the ratio**

(a) 1: 3: 2

(b) 2: 3: 1

(c) 1: 2: 3

(d) 3: 1: 2

**7. Sides of a parallelogram are in the ratio 5 : 4. Its area is 1000 sq.
units. Altitude on the greater side is 20 units. Altitude on the smaller side is**

(a) 30 units

(b) 25 units

(c) 10 units

(d) 15 units

**8. B and C can complete a piece of work in 12 days, C and A can do it in 8
days. All the three can do it in 6 days. A and B together can complete it in**

(a) 4 days

(b) 6 days

(c) 8 days

(d) 10 days

**9. A can do a work in 9 days, if B is 50% more efficient than A, then in
how many days can B do the same work? **

(a) 13.5

(b) 4.5

(c) 6

(d) 3

**10. The successive discounts of 10% and 20% are equivalent to a single
discount of **

(a) 30%

(b) 28%

(c) 25%

(d) 27%