Mathematics · 2021
JEE Main · 26 February 2021, Shift 1 · Q70
The number of seven digit integers with sum of the digits equal to 10 and formed by using the digits 1,2 and 3 only is:
The number of seven digit integers with sum of the digits equal to $\displaystyle 10$ and formed by using the digits $\displaystyle 1,2$ and $\displaystyle 3$ only is :
Official answer
(3)
$\displaystyle 77$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.