JEE Main 2019MathematicsMathematical ReasoningEasyMCQ

JEE Main 2019Mathematical Reasoning Question with Solution

JEE Main 2019 (10 Jan Shift 1)

Question

Consider the statement: "Pn:n2-n+41 is prime". Then which one of the following is true?

Choose an option

Show full solutionCorrect option: C
Correct answer
CBoth P3 and P5 are true

Step-by-step explanation

Given Pn=n2-n+41

P3=9-3+41=47

P5=25-5+41=61

Hence P3 and P5 both are prime.

Hence, both are true.

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About this question

This is a previous-year question from JEE Main 2019, 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.