(Download) SSC: DEO & LDC Exam (Numerical Aptitude) Solved Paper: Held on 28.11.2010 (2nd Sitting)


Staff Selection Commission
Data Entry Operator & LDC Exam Held on - 28-11-2010
(2nd Sitting)

Numerical Aptitude

1. When two numbers are separately divided by 33, the remainders are 21 and 28 respectively. If the sum of the two numbers is divided by 33, the remainder will be

(a) 10
(b) 12
(c) 14
(d) 16

2. The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of numbers is

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

3. The wrong number in the sequence 3, 5, 7, 9, 11, 17, 19 is

(a) 17
(b) 13
(c) 9
(d) 7

4. One tap can fill a water tank is 40 minutes and another tap can make the filled tank empty in 60 minutes. If both the taps are open, in how many hours will the empty tank be filled?

(a) 2
(b) 2.5
(c) 3
(d) 3.5

5. A, B and C together can complete a piece of work in 30 minutes. A and B together can complete the same word in 50 minutes. C alone can complete the work in

(a) 60 minutes
(b) 75 minutes
(c) 80 minutes
(d) 150 minutes

6. The monthly salaries of A, B and C are in the ratio 2 : 3 : 5. If C’s monthly salary is Rs. 12,000 more than that of A, then B’s annual salary is

(a) Rs. 1,20,000
(b) Rs. 1,44,000
(c) Rs. 1,80,000
(d) Rs. 2,40,000

7. By selling an article for Rs. 700 a man lost 30%. At what price should be have sold it to gain 30%?

(a) Rs. 910
(b) Rs. 1200
(c) Rs. 1232
(d) Rs. 1300

8. A reduction of 20% in the price of wheat enables Lalita to buy 5 kg more wheat for Rs. 320. The original rate (in rupees per kg) of wheat was

(a) 16
(b) 18
(c) 20
(d) 21

9. Anirudha sold a bicycle at a gain of 8%. Had it been sold for Rs. 75 more, the gain would have been 14%. The cost price of bicycle was

(a) Rs. 1200
(b) Rs. 1250
(c) Rs. 1350
(d) Rs. 1500

10. A man purchased a bedsheet for Rs. 450 and sold it at a gain of 10% calculated on the selling price. The selling price of the bedsheet was

(a) Rs. 460
(b) Rs. 475
(c) Rs. 480
(d) Rs. 500

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