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Q.
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 cu.m , then the rise in the water level in the tank will be:
A.
20 cm
B.
25 cm
C.
35 cm
D.
50 cm
View Answer
Correct choice: B
Explanation:
Total volume of water displaced =(4 x 50) cu.m = 200 cu.m Rise in water level = (200/40×20)=0.25m = 25cm
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