Mathematics · 2019
JEE Main · 8 April 2019, Shift 1 · Q66
All possible numbers are formed using the digits 1, 1, 2, 2, 2, 2, 3, 4, 4 taken all at a time. The number of such numbers in which the odd digits…
All possible numbers are formed using the digits $\displaystyle 1$, $\displaystyle 1$, $\displaystyle 2$, $\displaystyle 2$, $\displaystyle 2$, $\displaystyle 2$, $\displaystyle 3$, $\displaystyle 4$, $\displaystyle 4$ taken all at a time. The number of such numbers in which the odd digits occupy even places is :
Official answer
(4)
$\displaystyle 180$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.