Q15 of 87 Page 53

A tank fills completely in 2 hours if both the taps are open. If only one of the taps is open at the given time, the smaller tap takes 3 hours more than the larger one to fill the tank. How much time does each tap take to fill the tank completely?

Let the time taken by larger tap alone be x hr. Then ,

Time taken by smaller tap be x + 3 hr


In an hour, the larger tap can fill tank.


∴ In an hour, the larger tap can fill tank.


Two taps together can fill a tank in 2 hr.


But in an hour, taps fill in of the tank.


∴


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For larger tap 3 hours and for smaller tap 6 hours.


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