Set A has 3 elements and the set B has 4 elements. Then the number of

Question

Set A has 3 elements and the set B has 4 elements. Then the number of

Set A has 3 elements and the set B has 4 elements. Then the number of injective mappings that can be defined from A to B is

(A) 144

(B) 12

(C) 24

(D) 64

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

The correct choice is (C). The total number of injective mappings from the set containing 3 elements into the set containing 4 elements is ⁴P₃ = 4! = 24.

4 views Answered 2023-02-05 15:29