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Two taps A and B can fill a tank in 10 ...

Two taps A and B can fill a tank in 10 minutes and 15 minutes respectively. In what time will the tank be full if tap B was opened 3 minutes after tap A was opened ?

A

6 min 12 s

B

7 min 12 s

C

8 min 12 s

D

9 min 12 s

Text Solution

Verified by Experts

The correct Answer is:
B
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