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Questions on sets
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Which of the following is an empty set?
Which of the following is the null set?
Empty set is
If A = {1, 2, 2, 1, 3, 4, 3, 4}, then n(A) =
Which of the following is not a set
Which of the following is an infinite set
A = Set of divisors of 3, B = set of divisors of 6, C = Set of divisors of 2, then
If n(A) = 5, then n[P (A)] =
If A is any set such that n[P (A)] = 64, then n(A) =
If A = {1, 2, 3, 4}, B = {2, 4, 6, 8}, C = {3, 4, 5, 8}, then A âˆ© B âˆ©Â C =
If A = {Rhombuses), B = {Rectangles}, then A âˆ© B =
If A = {x : x is a factor of 15}, B = {x : x is a factor of 18}, then A âˆ© B =
If A = {Equilateral triangles}, B = {Right angled triangles} and C = {Isosceles triangles}, then
If AB âˆ© CD = Ã˜, BC ∩ AD = Ã˜, then ABCD is
If AB = {1, 2, 3}, B = {2, 4, 6, 8) then AÎ”B =
If A = {1, 2, 3}, B = {2, 3, 4}, then A – B =
Which of the following statements is true?
If A and B are disjoint non empty sets then A – (A – B) is equal to
(A – B) ∪ (B – A) =
If A = {1, 2, 3, 4}, B = {2, 4, 6, 8}, C = {3, 4, 5, 8}, then A – (B ∩ C) =
If n(A) = 20, n(B) 44, n(A âˆª B) = 51, then n(A âˆ© B) =
If n(A) = 25, n(B) = 15, n(A âˆª B) = 30, then n (A âˆ© B) =