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If three taps are open together, a tank is filled in . One of the taps can fill in and another in . At what rate does the pipe work?
(a)Waste pipe emptying the tank is
(b)Waste pipe emptying the tank is
(c)Waste pipe emptying the tank is
(d)Fills the tank in

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Important Questions on Time and Work
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There are two pipes in a tank. Pipe A is for filling the tank and Pipe is for emptying the tank. If can fill the tank in hours and can empty the tank in hours then find how many hours will it take to completely fill a half empty tank?

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Abbot can do some work in days, Bill can do it in days and Clinton can do it in days. They start working in turns with Abbot starting to work on the first day followed by Bill on the second day and by Clinton on the third day and again by Abbot on the fourth day and so on till the work is completed fully. Find the time taken to complete the work fully?

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Two taps are running continuously to fill a tank. The tap could have filled it in hours by itself and the second one by itself could have filled it in hours. But the operator failed to realise that there was a leak in the tank from the beginning which caused a delay of one hour in the filling of the tank. Find the time in which the leak would empty a filled tank.

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men take days to complete a piece of work. They worked for a period of 8 days. After that, they were joined by more men. How many more days will be taken by them to complete the remaining work?
