Practice Test Discussion

An outlet pipe can empty the tank in 3 hours, then two-third part of the tank that will get emptied in?

2 hours

6 hours

9 hours

4 hours

Explanation

Time taken to empty full tank is 3 hours

otime taken to empty $\frac{2}{3}$ part can be calculated as follows,

$\frac{2}{3} \times 3 = 2 hours$

Hence option A is correct

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