NCERT Exercise 13.1 Q17 - Probability
Question: If A and B are events such that P(A|B)=P(B|A), then (A) A ⊂ B but A ≠ B (B) A = B (C) A ∩ B = ∅ (D) P(A)=P(B).
Answer: (D) P(A)=P(B).
Full step-by-step NCERT solution with diagrams on Something by Zero.