Two taps A and B can fill a tank in 10 hours and 20 hours respectively. If both taps are open then due to a leakage it took 25 hours more to fill the tank. If tank is full how long would it take for leakage to empty the whole tank?

Options
- 100/9 hours
- 100/11 hours
- 50/7 hours
- 100/7 hours

CORRECT ANSWER : 100/11 hours

Discussion Board
Wrong answer

I am unable to reach at the specified right answer for the above question. so Please if you can explain the solution.

Jyoti Sharma 08-19-2018 09:34 AM

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