Home Maths Functions, Limits, Continuity and Differentiability Functions Set A has 3 elements and set B has 4 element…
Maths Functions, Limits, Continuity and Differentiability Functions Single Correct MCQ
Published on: August 12, 2026

Set A has 3 elements and set B has 4 elements. The number of injection that can be defined from A to B is

A
144
B
12
C
24
D
64

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Text Solution

Verified by Experts
The correct answer is:
C

The total number of injective functions from a set A containing 3 elements to a set B containing 4 elements is equal to the total number of arrangements of 4 by taking 3 at a time i.e., .

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