If two pipes function simultaneously the reservoir will be filled in 15 hours, one pipe fills the reservoir 5 hours faster than the other. How many hours it takes the second pipe to fill the reservoir?

Options
- 15 hours
- 10 hours
- 12 hours
- 13 hours

CORRECT ANSWER : 15 hours

Discussion Board
Mathematics

It''s nice

Satyajit Das 09-4-2019 11:17 AM

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