Mathematics · 2023
JEE Main · 24 January 2023, Shift 2 · Q66
The number of square matrices of order 5 with entries from the set {0,1}, such that the sum of all the elements in each row is 1 and the sum of all…
The number of square matrices of order $\displaystyle 5$ with entries from the set $\displaystyle \{0,1\}$, such that the sum of all the elements in each row is $\displaystyle 1$ and the sum of all the elements in each column is also $\displaystyle 1$, is
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 120$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.