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Two persons A and B play a game of throw...

Two persons A and B play a game of throwing a pair of dice until one of them wins. A will win if sum of numbers on dice appear to be 6 and B will win. If sum is 7. What is the probability that A wins the game if A starts the game.

A

`(5)/(31)`

B

`(5)/(6)`

C

`(31)/(61)`

D

`(30)/(71)`

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