A circular path is made from two concentric circular rings in such a way that the smaller ring when allowed to roll ov

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Q 1770401316.     A circular path is made from two concentric
circular rings in such a way that the smaller ring
when allowed to roll over the circumference of the
bigger ring, takes three full revolutions. If the area
of the pathway is equal to `n` times the area of the
smaller ring, then `n` is equal to
CDS 2016
A

`4`

B

`6`

C

`8`

D

`10`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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