Mathematics · 2023
JEE Main · 30 January 2023, Shift 1 · Q87
Number of 4 -digit numbers (the repeation of digits is allowed) which are made using the digits 1,2, 3 and 5, and are divisible by 15, is equal to…
Number of $\displaystyle 4$ -digit numbers (the repeation of digits is allowed) which are made using the digits $\displaystyle 1,2$ , $\displaystyle 3$ and $\displaystyle 5$, and are divisible by $\displaystyle 15$, is equal to $\displaystyle \_\_\_\_$
Official answer
From NTA’s final answer key for this paper.
21
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.