Two taps A and B can fill a tank in 36 minutes and 45 minutes respecti – McqOptions

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1.	Two taps A and B can fill a tank in 36 minutes and 45 minutes respectively, after how many minutes should tap B be closed so that the tank can be filled in 24 minutes?
A.	15 minutes
B.	34 minutes
C.	89 minutes
D.	44 minutes
Answer» B. 34 minutes

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