1.

The set A has 4 elements and the Set B has 5 elements then the number of injective mappings that can be defined from A to B is (1) 72 (2) 120 (3) 144 (4) 60

Answer»

Correct option (2) 120

Explanation:

Number of injective mappings = nPm = 5P4 = 120.



Discussion

No Comment Found

Related InterviewSolutions