There are three pipes - A , B, C. They can fill a tank in 5 hrs, 10 hrs and 30 hrs respectively. If all the pipes are opened together, how long will they take to fill the tank?

Options
- 1
- 2
- 2.5
- 3

CORRECT ANSWER : 3

Discussion Board
Aptitude

Please explain

Nahom 08-3-2024 04:31 AM

explain

how the answer 3 comes explain it...

Manoj 10-21-2016 07:38 AM

explain

explain please

Madiha 08-20-2015 05:40 PM

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