Two pipes A and B fill a tank in 20 hours and 40 hours respectively while a third pipe c can empty the full tank in 30 hours. All the three pipes are opened in the beginning, after 10 hours, c is closed. In how much time, will the tank be full?

Options
- Approx 15.6 hour
- Approx 16.2 hour
- Approx 17.8 hour
- None of these

CORRECT ANSWER : Approx 15.6 hour

Discussion Board
Want to register different answer

Tank will get filled in less than 10 hours.
Therefore. answer should be none of these.

Prathamesh paropkari 07-31-2020 08:41 AM

getting different answer

the answer should be 17.8 hrs

riya 07-17-2019 01:48 PM

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