JEE Main 2020MathematicsMathematical ReasoningEasyMCQ

JEE Main 2020Mathematical Reasoning Question with Solution

JEE Main 2020 (08 Jan Shift 1)

Question

Which one of the following is a tautology?

Choose an option

Show full solutionCorrect option: A
Correct answer
Appqq

Step-by-step explanation

p q pq ppq ppqq qppq pq ppq pq ppq
T T T T T T T T T T
T F F F T T F T T T
F T T F T F F F T F
F F T F T T F F F F

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About this question

This is a previous-year question from JEE Main 2020, 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.