A boat having a length 3 m and breadth 2 m is floating on a lake The boat sinks by 1 cm when a man gets on it. The mass of man is :__________?

Volume and Surface Area Mcqs 22/11/2021

A. 12 kg
B. 60 kg
C. 72 kg
D. 96 kg

Volume of water displaced = (3 X 2 X 0.01) m3 = 0.06 m3.
Mass of man = Volume of water displaced X Density of water
= (0.06 X 1000) kg = 60 kg.

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