Quantitative Aptitude

Quantitative Aptitude

1. The sum of both digits of a two digit number is 7. If the digits of the number are interchanged, the number so formed is greater than the original number by 27. Find the original number.

(a) 25

(b) 26

(c) 27

(d) 28

2. If after the payment of 3/4 of a loan, Rs. 500 still remain to pay, what is whole amount of the loan?

(a) Rs. 2000

(b) Rs. 2100

(c)  Rs. 1700

(d) Rs. 1500

3. It is given that 2^32+1 is exactly divisible by a certain number. Which one of the following is also divisible by the same number?

(a) 2^96+1

(b) 2^16-1

(c) 2^16+1

(d) (7.2)^33

4. What is the least number which is a multiple of 17 and when divided by 2, 3, 4, 5, 6 and 8 leaves 1 as remainder in each case?

(a) 121

(b) 1921

(c)  361

(d) 1020

5. A train travelling at 100 km/h overtakes a motorbike travelling at 64 km/h in 40 s. What is the length of the train in metres?

(a) 1777 m

(b) 1822 m

(c)  400 m

(d) 1400 m

6. A can do a piece of work in 25 days which B alone can finish in 20 days. Both together work for 5 days and then A leaves off. How many days will B take to finish the remaining work?

(a) 11

(b) 12

(c)  13

(d) 14

7. 9 children can complete a piece of work in 360 days, 18 men can complete the same piece of work in 72 days and 12 women can complete it in 162 days. In how many days, can 4 men, 12 women and 10 children together complete the piece of work ?

(a) 71

(b) 81

(c)  61

(d) 85

8. The interest on a certain sum of money is Rs. 67.20 and the discount on the same sum of money for the same time and at the same rate is Rs. 60. What is the sum?

(a) Rs. 560

(b) Rs. 500

(c)  Rs. 460

(d) Rs. 400

9. By selling an article for Rs. 144 a man loses 1/7 of his outlay. By selling it for Rs. 168, his gain or loss per cent is

(a) 20% Loss

(b) 20% gain

(c)  4 1/6% Gain

(d) None of these

10. A man’s age was 5 times his son’s age 5 yr ago and he will be three times his son’s age after 2 yr. The ratio of their present ages is

(a) 5 : 2

(b) 5 : 3

(c) 10 : 3

(d) 11: 5

Answers Key
1.(a)
2.(a)
3.(a)
4.(b)
5.(c)
6.(a)
7.(b)
8.(a)
9.(d)
10.(c)