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Time and Work — quick quiz

5 DSSSB TGT-pattern questions on Time and Work. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Medium

A 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, how long will the leak take to empty it?