Mathematics · 2023
JEE Main · 31 January 2023, Shift 2 · Q80
The number of values of r ∈{p, q, ∼ p, ∼ q} for which ((p ∧ q) ⇒(r q)) ∧((p ∧ r) ⇒ q) is a tautology, is:
The number of values of $\displaystyle r \in\{p, q, \sim p, \sim q\}$ for which $\displaystyle ((p \wedge q) \Rightarrow(r \vee q)) \wedge((p \wedge r) \Rightarrow q)$ is a tautology, is :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 2$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.