A pipe can fill a tank in x hours and an another can empty it in y hours. In how many hours will they together fill it. If y>x?
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Q:
A pipe can fill a tank in x hours and an another can empty it in y hours. In how many hours will they together fill it. If y>x?
- 1$$ {xy\over y-x}{hrs}$$true
- 2$$ {y-x\over xy}{hrs}$$false
- 3$$ {2yx\over y-x}{\ hs}$$false
- 4Can’t be determinedfalse
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