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Consider The Following Relations 1 A B A A Intersection Of B 2 A A Intersection Of B Union Of A B 3 A B Union Of C A B Union Of A C Which Of These Is Are Correct

Consider the following relations 1. A – B = A – (A ∩ B) 2. A = (A ∩ B)... View Article

If A = {x, y}, then the power set of A is 1) {xx, yy} 2) {ɸ, x, y} 3)... View Article

If A = {1, 2, 3, 4, 5}, B = {2, 4, 6}, C = {3, 4, 6}, then (A... View Article

If A = {1, 2, 3, 4}; B = {a, b} and f is a mapping such that f :... View Article

The number of elements in the set {(a, b) : 2a2 + 3b2 = 35, a, b ϵ Z}, where... View Article

If n(A) = 4, n(B) = 3, (A × B × C) = 24, then n(C) = 1) 288 2)... View Article

In a class of 30 pupils, 12 take needlework, 16 take physics and 18 take history. If all the 30... View Article

3 sets A, B, C are such that A = B ∩ C and B = C ∩ A, then... View Article

A = {(1, 2, 3)} and B = {3, 8}; then (A ∪ B) × (A ∩ B) is 1)... View Article

If (1, 3), (2, 5) and (3,3) are three elements of A × B and the total number of elements... View Article

If A = {1,2,4}, B = {2, 4, 5}, C = {2, 5}, then (A – C) × (B –... View Article

If A, B, C are 3 sets, then A ∩ (B ∪ C) is equal to 1) (A ∪ B)... View Article

If A, B and C are three sets, A – (B ∩ C) is equal to 1) (A – B)... View Article

Let A and B be two sets in the universal set. Then A – B equals 1) A ∩ B’... View Article

If A and B be subsets of a set X. Then 1) A – B = A ⋃ B 2)... View Article

If A and B are two sets, then (A ∩ B)’ is equal to 1) A’ ∩ B’ 2) A’... View Article

If A and B are two sets, then A × B = B × A iff 1) A ⊆ B... View Article

In a class 100 students, 55 students have passed in Mathematics and 67 students have passed in Physics. Then the... View Article

Of the members of three athletic teams in a certain school, 21 are in the basketball team, 26 in hockey... View Article

If n(A) denotes the number of elements in set A and if n(A) = 4, n(B) = 5 and n(A... View Article