Time and Work — MCQ Practice
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
A and B together can complete a work in 12 days. B and C together can complete the same work in 15 days. A and C together can complete it in 20 days. In how many days can A alone complete the work?
A pipe can fill a tank in 6 hours and another pipe can empty the same tank in 8 hours. If both pipes are opened simultaneously, in how many hours will the tank be filled?
If 12 men can complete a work in 18 days, in how many days can 8 men complete the same work?
A and B can do a piece of work in 20 days and 30 days respectively. They work together for 4 days, then A leaves. In how many more days will B complete the remaining work?
Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both pipes are opened together, but after 4 minutes, pipe A is closed. How much more time will it take to fill the tank?