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 into it. The mass of the man is :

A boat having a length 3 m and breadth 2 m is floating on a lake. T

1.	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 into it. The mass of the man is :
A.	60 kg
B.	70 kg
C.	80 kg
D.	90 kg
Answer» B. 70 kg

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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 into it. The mass of the man is :

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