CBSE 2025 · Region 1 · Set 3 · Q7 · 1 mark
Let M and N be two events such that $\displaystyle \mathrm{P}(\mathrm{M})=0.6, \mathrm{P}(\mathrm{N})=0.2$ and $\displaystyle \mathrm{P}(\mathrm{M} \cap \mathrm{N})=0.5$, then $\displaystyle \mathrm{P}\left(\mathrm{M}^{\prime} / \mathrm{N}^{\prime}\right)$ is
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \frac{7}{8}$
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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.