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Two pipes a and b can fill a tank in 12 ...

Two pipes a and b can fill a tank in 12 hours and 18 hours, respectively. Both pipes are opened simultaneously In how much time will the empty tank be filled completely

A

10 hours 24 minutes

B

9 hours 30 minutes

C

8 hours

D

7 hours 12 minutes

Text Solution

Verified by Experts

The correct Answer is:
D
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