JEE Main 2021 — Mathematical Reasoning Question with Solution
From: JEE Main 2021 (Online) 31st August Morning Shift
Question
Let *, ▢ {, } be such that the Boolean expression (p * q) (p ▢ q) is a tautology. Then :
Choose an option
Show full solutionCorrect option: C
Correct answer
C* = , ▢ =
Step-by-step explanation
(p q) (p q) is tautology
| p | q | q | p q | p q | (p q) (p q) |
|---|---|---|---|---|---|
| T | T | F | F | T | T |
| T | F | T | T | T | T |
| F | T | F | F | T | T |
| F | F | T | F | F | T |
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This is a previous-year question from JEE Main 2021, covering the Mathematical Reasoning chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.