Mathematics · 2024
JEE Main · 9 April 2024, Shift 2 · Q21
Let A={(x, y): 2 x+3 y=23, x, y ∈ N } and B={x:(x, y) ∈ A}. Then the number of one-one functions from A to B is equal to ____.
Let $\displaystyle A=\{(x, y): 2 x+3 y=23, x, y \in \mathbb{N}\}$ and $\displaystyle B=\{x:(x, y) \in A\}$. Then the number of one-one functions from $\displaystyle A$ to $\displaystyle B$ is equal to $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
24
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.