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 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

Find the total number of function from a set A to B where n(A)=3 and n(B)=4

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) = p and n(B) = q , then the number of relations from set A to set B = ________.

If P = {1,2,3,4,5} and Q = {a,b,c}, then the number of onto functions from P to Q is

If a,b,c are in A.P ,then 3^(a),3^(b),3^(c) shall be in (A) A.P (B) G.P (C) H.P (D) None of these

If x^py^q=(x+y)^(p+q) then the value of (d^(2)y)/(dx^(2)) is (where p,q in N ) (A) 0 (B) -1 (C) 1(D) None of these

sim(p hArr q) is (A) sim p^^q(C)(p^^-q)vv(-p^^q)(B)-p vv sim q(D) none of these

If a,b,c,d are distinct positive then a^n/b^ngtc^n/d^n for all epsilon N if a,b,c,d are in (A) A.P. (B) G.P. (C) H.P. (D) none of these

If PQR~=EFD, then /_E=/_P(b)/_Q(c)/_R(d) None of these