If n (A) = 3 and n (B) = 6 and A ⊆ B, then the number of elements in A ∪ B is equal to
If n (A) = 3 and n (B) = 6 and A ⊆ B, then the number of elements in A ∩ B is equal to
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Let A and B be subsets of a set X, Then which of the following is correct
What is the cardinality of the set of odd positive integers less than 10?
If A and B be two sets such that n (A) = 70, n (B) = 60, and n (A ∪ B) = 110. Then n (A ∩ B) is equal to
Sets A and B have 3 and 6 elements respectively. What can be the minimum number of elements in A U B
If A = {x : x2 − 5x + 6 = 0}, B = {2, 4}, C = {4, 5}, then A × (B ∩ C) is
Let A = {x : x ∈ R, |x| < 1}; B = {x : x ∈ R, |x − 1| ≥ 1} and A ∪ B = R − D, then the set D is (R ∈ Set of real numbers)
If a set A has n elements, then the total number of subsets of A is
If A, B, C be any three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C, then
Given the sets A = {1, 2, 3}, B = {3 , 4}, C = {4 , 5, 6}, then A ∪ (B ∩ C) is
If A = {a, b}, B = {c, d}, C = {d, e}, then {(a, c), (a, d),(a, e), (b, c), (b, d), (b, e)} is equal to
Two finite sets have m and n elements. The total number of subsets of the first set is 48 more than the total number of subsets of the second set. The values of m and n are
Let A = {x : x is a prime factor 240} and B = {x : x is the sum of any two prime factors of 240}. Then
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75 videos|238 docs|91 tests
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