Let S = {1,2,3,4} and f : S..... | JEE Main 2022

JEE MAIN 2022

28-06-22 S2

Question

Let $S=\{1,2,3,4\}$. Then the number of elements in the set $\{f: S \times S \rightarrow S: f$ is onto and $f(a, b)=f(b, a) \geq a \forall (a, b) \in S S\}$ is

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Question Tags

JEE Main

Mathematics

Medium

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