Maths-
General
Easy
Question
A = (1,2,3,4,5), B = (1,2,3,4) and 
is a function. Then
- number of onto functions if n(f(A))=4 is 240
- number of onto functions if n(f(A))=3 is 600
- number of onto functions if n(f(A))=2 is 180
- number of onto functions if n(f(A))=1 is 5
The correct answer is: number of onto functions if n(f(A))=4 is 240
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