Mathematics · 2021
JEE Main · 3 August 2021, Shift 1 · Q78
Let A ={0,1,2,3,4,5}. Then the probability that a randomly selected onto function f from A to A satisfies f(1)+f(2)=f(3) is
Let $\displaystyle \mathrm{A}=\{0,1,2,3,4,5\}$. Then the probability that a randomly selected onto function $\displaystyle f$ from A to A satisfies $\displaystyle f(1)+f(2)=f(3)$ is
Official answer
(4)
$\displaystyle \frac{1}{15}$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.