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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 2 · Q20
Assertion (A): The number of onto functions from a set P containing 5 elements to a set Q containing 2 elements is 30. Reason (R): Number of onto…
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
(C)
Assertion (A) is true and Reason (R) is false.
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