Question No : 15
Pipes A and B can fill a cistern in 15 hours together. But if these pipes operate separately A takes 40 hours less than B to fill the tank. In how many hours the pipe A will fill the cistern working alone?
Question No : 16
Direction: DIRECTIONS (Qs. 16-20) : In these questions, a number series is given. Find out the missing number.
Question No : 17
14 8 6 6 7 ?
Question No : 18
6 13 20 65 256 ?
Question No : 19
14 6 4 4 8 ?
Question No : 20
6 16 45 184 917 ?
Question No : 21
Direction: DIRECTIONS (Qs. 21-25) : In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer.