Tap A can fill a tank in 6 hours and tap B can empty the same tank in – McqOptions

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1.	Tap A can fill a tank in 6 hours and tap B can empty the same tank in 10 hours. If both taps are opened together, then how much time (in hours) will be taken to fill the tank?
A.	16
B.	15
C.	18
D.	20
Answer» C. 18

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