## SSC CHSL Mathematics Test 21

Instructions

For the following questions answer them individually

Q 1

X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?

Q 2

A contractor undertook to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/ 3 of the work. How many men can be discharged now so that the work may finish in time ?

Q 3

The sum of all prime numbers between 30 and 42 is

Q 4

The perimeter of a rectangular table is 60 cm. If the area of the rectangular table is 209 $$cm^2$$, then what will be the length of the table?

Q 5

The Bar graph given below presents the amount (volume in litres) of water in ten different mixtures.

What is the average amount of water per mixture?