NCERT Miscellaneous Exercise Q13 - Probability

Question: If A and B are any two events such that P(A) + P(B) − P(A and B) = P(A), then (A) P(B|A)=1 (B) P(A|B)=1 (C) P(B|A)=0 (D) P(A|B)=0.

Answer: (B) P(A|B) = 1.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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