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CBSE Class 12 Math 2023 Outside Delhi Set 2 Solved Paper
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Question : 5 of 12
Marks:
+1,
-0
If A and B are two events such that P ( A ∕ B ) = 2 × P ( B ∕ A ) and P ( A ) + P ( B ) =
, then P ( B ) is equal to
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