Volume and Surface Area

Q1: 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:

A 20 cm

B 25 cm

C 35 cm

D 50 cm

ANS:B - 25 cm

Total volume of water displaced = (4 x 50) m3 = 200 m3.

 Rise in water level = 200 m 0.25 m = 25 cm.
40 x 20



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