In a swimming pool measuring 80 cm x 30 cm 120 men take a dip If the average displacement of water b...........

Quantitative Aptitude ( CCS) Mensuration 3D

In a swimming pool measuring 80 cm x 30 cm, 120 men take a dip. If the average displacement of water by a man is 5 cm cube, What will be the rise in water level ?

1/5 cm

1/3 cm

1/2 cm

1/4 cm

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Explanation:

Answer & Explanation
Answer – 4.1/4 cm
Explanation :
Total volume displaced by 8 men= 120×5 cm cube
However volume=lxbxh=80x30xh
80x30xh=120×5
h=120*5/80*30 = 600/2400 = 0.25.
so the water level rises by 0.25 cm = ¼ cm