JEE Main 2020MathematicsMathematical ReasoningEasyMCQ

JEE Main 2020Mathematical Reasoning Question with Solution

JEE Main 2020 (04 Sep Shift 1)

Question

Given the following two statements:

S1:qpp~q is a tautology
S2:~q~pq is a fallacy. Then :

Choose an option

Show full solutionCorrect option: A
Correct answer
Aboth S1 and S2 are not correct.

Step-by-step explanation

p q ~p ~q qp p~q S1:qpp~q ~pq S2:~q~pq
T T F F T F F F F
T F F T T T T T T
F T T F T T T T F
F F T T F F T F F

So both S1 and S2 are not correct.

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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.