Question

A and B are two sets with 3 and 2 elements respectively. Find number of relations from A to B.

• A. 6
• B. 12
• C. 36
• D. 64

Answer 1

Answer:

D. 64

The number of relations from A to B

$=2^{{n(A)}\times{n(B)}}$

$=2^{3\times2}$

$=2^6$

$=64$