1) If A = {x,y,z}, B= {1,2} , then the total number of relations from set A to set B are A) 8 B) 64 C) 32 D) 16 Answer: Option BExplanation: Given, A= {x,y,z} B= {1,2} n(A)=3, n(B)=2 $\therefore$ Number of relation from set A to set B is 2n(A) x n(B) = 23 x2 =26 =64
