Mathematics · 2020
JEE Main · 6 September 2020, Shift 1 · Q55
Two families with three members each and one family with four members are to be seated in a row. In how many ways can they be seated so that the same…
Two families with three members each and one family with four members are to be seated in a row. In how many ways can they be seated so that the same family members are not separated ?
Official answer
(1)
$\displaystyle (3!)^3 \cdot(4!)$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.