Mathematics · 2021
JEE Main · 31 August 2021, Shift 1 · Q80
Let *, ∈{∧, } be such that the Boolean expression (p * ∼ q) ⇒(p q) is a tautology. Then:
Let $\displaystyle *, \square \in\{\wedge, \vee\}$ be such that the Boolean expression $\displaystyle (p * \sim q) \Rightarrow(p \square q)$ is a tautology.
Then :
Official answer
(2)
$\displaystyle *=\wedge, \square=\vee$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.