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

(Data Entry Operator & LDC Exam)

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%

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