A) 144
B) 12
C) 24
D) 64
Correct Answer: C
Solution :
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., \[^{4}{{P}_{3}}=24\].You need to login to perform this action.
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