If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Time & Work — quick quiz

5 real Bihar Police questions on Time & Work. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

A pipe can fill a tank in 20 minutes and another pipe can empty it in 30 minutes. If both pipes are opened together, how long will it take to fill the empty tank?