Mathematics · 2021
JEE Main · 24 February 2021, Shift 1 · Q80
The statement among the following that is a tautology is:
The statement among the following that is a tautology is :
Official answer
(3)
$\displaystyle [\mathrm{A} \wedge(\mathrm{~A} \rightarrow \mathrm{~B})] \rightarrow \mathrm{B}$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.