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Pipes and Cisterns — quick quiz

2 RRB ALP-pattern questions on Pipes and Cisterns. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 2

Easy

A pipe can fill a tank in 12 hours. Due to a leak at the bottom, it takes 15 hours to fill the tank. If the tank is full, how long will the leak take to empty it?