Question
50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 m3, then the rise in the water level in the tank will be:
Answer: Option B
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Total volume of water displaced = (4 x 50) m3 = 200 m3.
So, Rise in water level = \(\left(\frac{200}{40\times20}\right)m0.25m=25cm.\)
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