BPSC 53-55th Exam Prelims 17 Apr 2011 Solved Paper

Question : 76 of 150

Marks: +1, -0

A player completes a 2200 metre race in any circular path with 7 revolutions. Then the radius of the circular path is

Solution:

From the question, circumference

=\;{2200}/{7}

2 π r=\;{2200}/{7}

r=\;{2200 × 7}/{7 × 2 × 22}=50

metre

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