UP Police Constable · Time and Work · Quiz
Time and Work — quick quiz
5 real UP Police Constable questions on Time and Work. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
MEDIUMA pipe can fill a tank in 15 hours. Due to a leak at the bottom, it takes 20 hours to fill the tank. If the tank is full, in how many hours will the leak empty it?