A topic you 'somewhat know' is a topic you don't know yet. Be honest about your weak areas.

Time and Work — quick quiz

5 HSSC CET-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 6 hours and another pipe can empty it in 8 hours. If both pipes are opened together when the tank is empty, in how many hours will the tank be filled?