If `n(A)=2` and total number of relations from A to B is 1024, then number of elements in B is (A) 4 (B) 5 (C) 6 (D) none of these

If n(B)=2 and the number of functions from A and B which are onto is 30, then number of elements in A is (A) 4 (B) 5 (C) 6 (D) none of these

If n(B)=2 and the number of functions from A and B which are onto is 30, then number of elements in A is (A) 4 (B) 5 (C) 6 (D) none of these

If n(A)=2 and total number of possible relations from set A to B is 1024, then n(B) is

If n(A)=p,n(B)=q and total number of functions from A to B is 343, then p-q (A) 3 (B) -3 (C) 4 (D) none of these

If n(B)=p,n(B)=q and total number of functions from A to B is 343, then p-q (A) 3 (B) -3 (C) 4 (D) none of these

If A={a,b,c}, B={m,n} find the number of relations from A to B.

A={a, b, c},B={1,2} then the number of relations from A to B is

If A={2,4} , B={1,3,5} . Then the number of relations from A to B is …….

If there are 28 relation from a set A={2,4,6,8} to a set B, then the number of elements in B is ……………..

The total number of ways of selecting 4 letters from the word NARAYANA is: (A) 10 (B) 9 (C) 12 (D) none of these