Taps A and B can fill a bucket in 12 minutes and 15 minutes respective – McqOptions

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1.	Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively if both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket ?
A.	7 min. 45 sec
B.	7 min 15 sec
C.	8 min. 5 sec
D.	8 min. 15sec
Answer» E.

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