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Two particles A and B are present at cen...

Two particles A and B are present at centre (O) of circle of a radius (R) as shown in figure. Particle A moves along path OPQ and reach at point Q in 2 sec. Another particle B moves along path ORPQ reach at Q in 5 sec., then ratio of average velocity of A to B -

A

`(10 + 5 pi) : (4 + 12 pi)`

B

`5 pi : 2 pi`

C

`5 : 2 `

D

`1:1`

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The correct Answer is:
C
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