SSC CGL 3 Mar 2020 Shift 2 Paper

Question : 70 of 75

Marks: +1, -0

A race track is in the shape of a ring whose inner and outer circumferences are

440 {\m}

and

506 {\m}

, respectively. What is the cost of levelling the track at Rs

6 \/ {\m}^2

?(take

π=22 \/ 7)

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