Let A={1,2,3,4}, B={4,5,6,7}, C={3,6,9,12} and D={4,8,12,16,20}, then n[(A×B)∩(C×D)] =
A={1, 2, 3, 4, …, 14}. Let R be a relation from A to A defined by R = {(a, b):3a – b = 0, a, b∈ A} then domain of R is
If Relation R is set A = {1, 2, 3 . . . . . . 13, 14} defined as R = {(x, y):3x - y = 0}. Find range
Let A = {3,6,12,15,18,21},
B= {4,8,12,16,20},
C = {2,4,6,8,10,12,14,16} and
D = {5,10,15,20}. Find :
(i) A - B (ii) A - C
(iii) A - D (iv) B - A
(v) C - A (vi) D - A
(vii) B - C (viii) B - D