Working 8 hours a day a work is done in 10 days. For how many hours a day must the work be done in order to complete it in 8 days.
Correct answer B. 10 hours
Tip: press A, B, C or D to answer, and N for the next question.
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More Time and Work questions
See allTwo pipes can fill an empty tank in 10 and 15 hrs respectively. If waste pipe C is opened both A and B together can fill the tank in 5 hours. The waste pipe can empty the full tank in
Correct answer A. 30 hrs
A tank that can be filled by an inlet pipe A in 12 hours is filled in 18 hours while out let pipe B is opened. The outlet pipe B can empty the full tank in
Correct answer B. 36 hrs
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A tank which has a leak in the bottom is filled in 20 hours. Had there been no leak the tank would have been filled in 15 hours. The leak can empty the full tank in
Correct answer C. 60 hrs
Pipe A can fill a tank in 10 hours and pipe B can empty it in 15 hours. In how many hours will the tank be filled if both the pipes are opened?
Correct answer D. 30
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