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A and B throw a die alternatively til...

A and B throw a die alternatively till one of them gets a 6 and wins the game. Find their respective probabilities of winning, if A starts first.

A

`36/91,30/91,25/91`

B

`10/71,16/91,22/81`

C

`13/61,15/61,17/61`

D

none of these

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The correct Answer is:
A
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