EASY
NRA CET - Graduate Level
IMPORTANT
Earn 100

A water tank of 1000 L capacity is connected to a tap which can fill it at the rate of 20 L/min and water is let out at the same time at the rate of 5 L/min. After an hour the outlet is shut off. Find how long will it take now for the tank to become full.

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Important Questions on Time and Work

EASY
NRA CET - Graduate Level
IMPORTANT
A can do a piece of work in 9 days. B is 50% more efficient than A. The number of days it takes for B to do the same piece of work is
EASY
NRA CET - Graduate Level
IMPORTANT
A can do a piece of work in 25 days and B can do the same work in 30 days. They work together for 5 days and then A leaves. B will finish the remaining work in
EASY
NRA CET - Graduate Level
IMPORTANT
A and B can complete a piece of work in 16 days. A alone can do it in 24 days. How long will B alone take to complete whole work?
EASY
NRA CET - Graduate Level
IMPORTANT
If the work done by a man, a woman and a child be in the ratio of 3 : 2 : 1 and if there be in the factory 20 men, 30 women and 36 children, whose daily wages amount to Rs. 234, what will be the wages of 15 men, 21 women and 30 children for 18 week?
EASY
NRA CET - Graduate Level
IMPORTANT
A and B working together could mow a field in 28 days and with the help of C, they could have mowed it in 21 days. How long would C take by himself?