1.

Q: 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. 8 min. 5 sec.
C. 7 min. 15 sec.
D. 8 min 15 sec.
Answer» E.


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