Quantitative Aptitude

1. Two numbers, when divided by 17, leave remainders 13 and 11 respectively. If the sum of those two numbers is divided by 17.  The remainder will be

(1) 13

(2) 11

(3) 7

(4) 4

2. The side discount, which is equivalent to three successive discounts of 25%, 20% and 10%, is 

(1) 55%

(2) 54%

(3) 46%

(4) 45%

3. The value of an equipment depreciates by 20% each year. How much less will the value of the equipment be after 3 years?

(1) 48.8%

(2) 51.2%

(3) 54%

(4) 60%

4. In an examination, 93% of students passed and 259 failed. The total number of students appearing at the examination was

(1) 3700

(2) 3850

(3) 3950

(4) 4200

5. A sum of money lent at simple interest amounts to Rs. 880 in 2 years and to Rs. 920 in 3 years. The sum of money (in rupees) is

(1) 700

(2) 760

(3) 784

(4) 800

6. At a certain rate of simple interest, a certain sum of money becomes double of itself in 10 years. It will become treble of itself in 

(1) 15 years

(2) 18 years

(3) 20 years

(4) 30 years

7. A and B together can complete a piece of work in 18 days, B and C in 24 days and A and C in 36 days. In how many days, will all of them together complete the work?

(1) 16

(2) 15

(3) 12 

(4) 10

8. Working efficiencies of P and Q for completing a piece of work are in the ratio 3 : 4. The number of days to be taken by them to complete the work will be in the ratio

(1) 3 : 2

(2) 2 : 3

(3) 3 : 4

(4) 4 : 3

9. A tap can fill a cistern in 40 minutes and a second tap can empty the filled cistern in 60 minutes. By mistake without closing the second tap, the first tap was opened. In how many minutes will the empty cistern be filled?

(1) 72

(2) 84

(3) 108

(4) 120

10. A boat goes 12 km downstream and comes back to the starting point in 3 hours. If the speed of the current is 3 km/hr. then the speed (in km/hr) of the boat in still water is 

(1) 12

(2) 9

(3) 8

(4) 6

Answers Key
1.(3)
2.(3)
3.(1)
4.(1)
5.(4)
6.(3)
7.(1)
8.(4)
9.(4)
10.(2)