Mathematics · 2022
JEE Main · 24 June 2022, Shift 1 · Q20
The number of choices for Δ ∈{∧,, ⇒, ⇔}, such that ( p Δ q ) ⇒(( p Δ ∼ q ) ((∼ p ) Δ q )) is a tautology, is:
The number of choices for $\displaystyle \Delta \in\{\wedge, \vee, \Rightarrow, \Leftrightarrow\}$, such that $\displaystyle (\mathrm{p} \Delta \mathrm{q}) \Rightarrow((\mathrm{p} \Delta \sim \mathrm{q}) \vee((\sim \mathrm{p}) \Delta \mathrm{q}))$ is a tautology, is :
Official answer
(2)
$\displaystyle 2$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.