Volume & Surface Area Mcqs

Q.  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 :__________?

a. 12 kg
b. 60 kg
c. 72 kg
d. 96 kg


ANSWER: See Answer
 
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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