Latest book Aptitude Question SOLUTION: It takes 10 hours to fill a pool with water, and 20 hours to drain it. If the pool is empty, and the drain is open, how long will it take to fill the pool?

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(#M40098188) BOOK Numerical Ability question Keep an EYE

It takes 10 hours to fill a pool with water, and 20 hours to drain it. If the pool is empty, and the drain is open, how long will it take to fill the pool?

Asked In book (9 years ago)

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