JEE Main 2018MathematicsSets and RelationsEasyMCQ

JEE Main 2018 — Sets and Relations Question with Solution

JEE Main 2018 (16 Apr Online)

Question

Let N denote the set of all natural numbers. Define two binary relations on N as R1=x,y∈N×N:2x+y=10 and R2=x,y∈N×N:x+2y=10. Then

Choose an option

Show full solutionCorrect option: B
Correct answer
Brange of R2 is 1,2,3,4

Step-by-step explanation

R1=1,8, 2,6, 3,4, 4,2

R2=8,1, 6,2, 4,3, 2,4 }

Range of R2=1,2,3,4

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Sets and Relations chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2018, covering the Sets and Relations 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.