Small Quiz

3

QUESTION 1

Two boats go downstream from point X to point Y. The faster boat covers the distance from X to Y 1.5 times as fast as the slower boat. It is known that for every hour the slower boat lags behind the faster boat by 8 km. However if they go upstream then the faster boat covers the distance from Y to X in half the time as the slower boat. Find the speed of the slower boat in still water?

15

12

10

24

QUESTION 2

 fruit vendor professes to sell fruits at the cost price, but uses false weights. He gains 40% in this manner. What weight does he substitute for one kilogram? 

750

800

700

None of these

QUESTION 3

Three pipes A, B and C can fill a cistern in 10 hours, 12 hours and 15 hours respectively. First A was opened. After 2 hour, B was opened and after 4 hours from the start of A, C was also opened. Find the time in which the cistern is just full.

5h 44m

4h 55m

4

5

QUESTION 4

The train traveling at 50 km/h overtakes a motorbike traveling at 32 km/h in 80 s. What is the length of the train in meters?

500

600

400

320

QUESTION 5

The ratio of Arun and Varun age is 11:9. After 5 years the difference between their age is 2. Then Arun is how many years elder than Varun?

1

2

3

4

QUESTION 6

A sum of money becomes Rs 35,280 after 2 years and Rs 37,044 after 3 years when lent on compound interest. Find the principal amount

32580

38520

30852

35280

QUESTION 7

Inside a square plot a circular garden is developed which exactly fits in the square plot and the diameter of the garden is equal to the side of the square plot which is 24m. What is the area of the space left out in the square plot after developing the garden ?

120

240

360

100

QUESTION 8

The sum of three consecutive multiple of 4 is 72 .What is the largest number ?

28

26

22

24

QUESTION 9

Find the least number exactly divisible by 10, 15, 18 and 30

120

90

130

150

QUESTION 10

A 144 litres of mixture contains milk and water in the ratio 5 : 7. How much milk need to be added to this mixture so that the new ratio is 23 : 21 respectively?

48

60

32

72