Mathematics · 2021
JEE Main · 3 August 2021, Shift 1 · Q80
If, ∈{∧, } such that (∼ q ∧ p ) ( q ∼ p ) is a tautology, then
If $\displaystyle \square, \diamond \in\{\wedge, \vee\}$ such that $\displaystyle (\sim \mathrm{q} \wedge \mathrm{p}) \square(\mathrm{q} \diamond \sim \mathrm{p})$ is a tautology, then
Official answer
(4)
$\displaystyle \square=\vee$ and $\displaystyle \diamond=\vee$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.