Question

Let n(1) = n. Then the number of all relations on A is

• A. $2 ^ { n }$
• B. $2 ^ { ( n ) ! }$
• C.
• D. None of these

Answer 1

Answer: (C)

Answer 2

Number of relations on the set $\left[ \because n ( A \times A ) = n ^ { 2 } \right]$.