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Examveda

A pump can fill a tank with water in 2 hours. Because of a leak, it took $$2\frac{1}{3}$$ hours to fill the tank. The leak can drain all the water of the tank in:

A. $$4\frac{1}{3}$$ hours

B. 7 hours

C. 8 hours

D. 14 hours

Answer: Option D

Solution(By Examveda Team)

Work done by the leak in 1 hour
$$\eqalign{ & = {\frac{1}{2} - \frac{3}{7}} = \frac{1}{{14}} \cr} $$
∴ Leak will empty the tank in 14 hours

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Comments ( 1 )

  1. Reshma Bammidi
    Reshma Bammidi :
    3 years ago

    Explain in detail please

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