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 4 m³, then the rise in the water level in the tank will be :

50 men took a dip in a water tank 40 m long and 20 m broad on a rel

1.	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 4 m³, then the rise in the water level in the tank will be :
A.	20 cm
B.	25 cm
C.	30 cm
D.	35 cm
Answer» C. 30 cm

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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 4 m³, then the rise in the water level in the tank will be :

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