JEE Main 2021MathematicsFunctionsMediumMCQ

JEE Main 2021Functions Question with Solution

JEE Main 2021 (16 Mar Shift 1)

Question

The number of elements in the set xR:|x|-3x+4=6 is equal to

Choose an option

Show full solutionCorrect option: B
Correct answer
B2

Step-by-step explanation

x-4

x-3x+4=6

x-3=6x+4

No. of solutions =2

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Functions 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 2021, covering the Functions 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.