Question

If $n(A)=4$ and $n(B)=6$, then the number of surjections from $A$ to $B$ is

• A. $4^6$
• B. $6^4$
• C. 0
• D. 24

Answer 1

Answer: (C)

If $n(A)<n(B)$ then the no. of surjections from $A$ to $B=0$