A pump can fill a tank with water in 2 hours. Because of a leak, it took 2⅓ hours to fill the tank. The leak can drain all the water of the tank in:

4 1 hours 3
7 hours
8 hours
14 hours

Correct Answer: 14 hours

Explanation:

Work done by the leak in 1 hour =	❨	1	-	3	❩	=	1	.
		2		7			14

∴ Leak will empty the tank in 14 hrs.

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