Question

a rectangular vessel when full of water takes 1.5 minutes to be emptied through a hole in its bottom. how much time will it take to be emptied when half filled with water?

Answer 1

When full with water, it takes 1.5 minutes to be emptied.
When half of it is filled with water, then it will take (1.5-0.5) minute = 1 minute to be emptied.

Hence, your answer is (1.5-0.5) minute = 1 minute.......


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