JEE Main 2024 — Functions Question with Solution
From: JEE Main 2024 (Online) 5th April Morning Shift
Question
Let and . Then the total number of one-one maps , such that , is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C240
Step-by-step explanation
Case I
Total one-one function
Case II
Total one-one function
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This is a previous-year question from JEE Main 2024, 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.