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

# Set A has 3 Elements And Set B Has 4 Elements. The Number Of Injections That Can Be Defined From A to B is

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## Question

### Solution

Correct option is

24

A has 3 elements and B has 4 elements for injective mapping first elements of can go to any of 4 of B,  2nd to 3 of  B and 3rd to 2 of B.

In short P3.

#### SIMILAR QUESTIONS

Q1

Q2

Is equal to

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Which of the following functions have inverse defined on the ranges:

Q4

be to functions given by

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Q8

For real x, let (x) = x3 + 5x +1, then

Q9

Q10

The number of surjections from A = {1, 2,...n},onto = {a, b} is