RRB Group D · Pipes and Cisterns · 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
EASYA pipe can fill a tank in 12 hours. Due to a leak at the bottom, it takes 15 hours to fill the tank. How long will the leak alone take to empty the full tank?