Jharkhand PSC Prelim Exam 2006 Solved Paper

Question : 77 of 100

Marks: +1, -0

A man sprung from the steady boat at pace of 5 m/sec and boat moves at a speed of 0.5 m/s. How much times mass of human of mass of boat?

Solution:

Suppose,
Mass of the Man = m
Mass of the Boat = M
∴ Speed of Boat = M × 0.5
Speed of Man = m × 5
∴ 5m = 0.5M
⇒

\M/\m = 10/1

⇒M = 10 m
Hence, Man of Boat is 10 times more than Man.

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