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A fair die is tossed repeatedly until a ...

A fair die is tossed repeatedly until a six is obtained. Let `X` denote the number of tosses required and let `a=P(X=3),b=P(X ge 3)` and `c=P((X ge 6) /(X>3))` .Then `(b+c)/(a)` is equal to___________

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2024 ACTUAL PAPER-Question
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