No.of injections from A into B = o(B)P_o(A) = 4P_3 = 4 X 3 X 2 = 24 .The answer is C.
Aptitude
Topic: Functions
Set A has 3 elements and set B has 4 elements. The number of injections that can be defined from A to B isA. 144B. 12C. 24D. 64E. 124
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Set A has 3 elements and set B has 4 elements. The number of injections that can be defined from A to B isA. 144B. 12C. 24D. 64E. 124
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