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

Time and Work — quick quiz

5 real TNPSC Group IV questions on Time and Work. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

Two pipes A and B can fill a tank in 12 minutes and 16 minutes respectively. Both pipes are opened together, but after 4 minutes, pipe B is closed. How much total time will it take to fill the tank?