JEE Main 2015MathematicsMathematical ReasoningEasyMCQ

JEE Main 2015 — Mathematical Reasoning Question with Solution

JEE Main 2015 (04 Apr)

Question

The negation of ∽s∨∽r∧s is equivalent to

Choose an option

Show full solutionCorrect option: A
Correct answer
As ∧ r

Step-by-step explanation

Given ∽∽s∨∽r∧s=s∧∽∽r∧s

∵~p∧q=∽p∨∽q

and ∽p∨q=∽p∧∽q

=s∧r∨∽s

=s∧r∨s∧∽s

=s∧r∨F

=s∧r

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About this question

This is a previous-year question from JEE Main 2015, 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.