42. 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:
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Answer:
Answer: Option B
Explanation:
Total volume of water displaced = (4 x 50) m3 = 200 m3.
 Rise in water level =
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200
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 m 0.25 m = 25 cm.
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40 x 20
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Title :
Volume 42Q
Description : 42. 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 m 3 , ...
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