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

Pipes and Cisterns — quick quiz

5 real RRB Group D questions on Pipes and Cisterns. 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 8 hours. Another pipe can empty it in 12 hours. If both pipes are opened simultaneously, how long will it take to fill the empty tank?