CBSE 2025 · Region 4 · Set 1 · Q19 · 1 mark
Assertion ( $\displaystyle \mathrm{A}$ ) : If A and B are two events such that $\displaystyle \mathrm{P}(\mathrm{A} \cap \mathrm{B})=0$, then A and $\displaystyle \mathrm{B}$ are independent events. Reason $\displaystyle (R)$ : Two events are independent if the occurrence of one does not effect the occurrence of the other.
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Assertion (A) is false, but Reason (R) is true.
ProbabilityIndependent EventsUnderstandassertion_reasonmedium
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.