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Two pipes A and B can fill a tank in 24 ...

Two pipes A and B can fill a tank in 24 hours and `(120)/7` hours respectively. Harihar opened the pipes A and B to fill an empty tank and some times later he closed the taps A and B, when the tank was supposed to be full. After that it was found that the tank was emptied in 2.5 hours because an outlet pipe C connected to the tank was open from the beginning. If Harihar closed the pipe C instead of closing pipes A and B the remaining tank would have been filled in:

A

2 hours

B

8 hours

C

6 hours

D

4 hours

Text Solution

Verified by Experts

The correct Answer is:
B
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