In a swimming pool measuring 90 m × 40 m, 150 men take a dip. If the average displacement of water by a man is 8 m3, then rise in water level is
Answer: D
Volume of water displaced
= 150 × 8 = 1200 m3
⇒ 90 × 40 × h = 1200
⇒ h = 1200/90×40 m = 33.33 cm