Vidyalelo
Aptitude · Q6

Volume And Surface Area

Competitive Exams · Aptitude · question 6

Q6

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 the man is:

A.
12 kg
B.
60 kg
Answer
C.
72 kg
D.
96 kg

Answer: Option B

Solution

Answer: Option B
Solution:
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.