CBSE 2023 · Region 1 · Set 2 · Q20 · 1 mark
Assertion (A) : The number of onto functions from a set P containing $\displaystyle 5$ elements to a set Q containing $\displaystyle 2$ elements is $\displaystyle 30$ . Reason $\displaystyle (R)$ : Number of onto functions from a set containing m elements to a set containing $\displaystyle n$ elements is $\displaystyle n^{m}$.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true and Reason (R) is false.
Relations and FunctionsTypes of FunctionsAnalyseassertion_reasonmedium
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.