JEE Main 2021MathematicsMathematical ReasoningLogical ConnectivesmediumMCQ

JEE Main 2021Mathematical 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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About this question

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.