Two pipes A and B can fill a tank in 6 hours and 2 hours respectively, if both the pipes are opened simultaneously, how much time will be taken to fill the tank?

Options
- 2 hours
- 3 hours
- 4 hours
- 5 hours

CORRECT ANSWER : 2 hours

Discussion Board
wrong options

ans is 1 hour 30 mins

Anjali garg 09-23-2018 04:44 AM

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