Taps A and B can fill a tank full in 3 hours. Tap B alone can fill the – McqOptions

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1.	Taps A and B can fill a tank full in 3 hours. Tap B alone can fill the empty tank in 2 hours. How long will tap A take to vacate the tank if it is 25% filled.
A.	1.5 hours
B.	2 hours
C.	2.5 hours
D.	3.2 hours
E.	None of these
Answer» B. 2 hours

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