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Complement Of A Set And Its Properties

Class 10 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf A ⊆ U and A′ = U, what is A?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf A is a subset of the universal set U, what is (A′)′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1, 2, 3, 4, 5, 6, 7, 8} and A = {1, 3, 5, 7}, how many elements are in A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf the universal set U = {a, b, c, d, e} and A = {b, d}, what is A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf A ⊆ U and A′ = ∅, what is the correct conclusion?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsThe universal set U contains 50 students. If n(A) = 18, n(B) = 22, and n(A ∩ B) = 7, how many students are outside A ∪ B?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf U is the set of all days of the week and A = {Monday, Wednesday, Friday}, how many days are in A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1, 2, 3, 4, 5, 6, 7} and A = {3, 5, 7}, what is the smallest number in A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1, 2, 3, 4, 5, 6} and A = {1, 2}, what is n(A′), the number of elements in the complement of A?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {a, b, c, e} and A = {a, b, c, d}, what issue arises before finding A′ with respect to U?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf U = {1, 2, 3, 4, 5} is the universal set, what is U′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {0, 1, 2, 3, 4, 5}, A = {0, 2, 4}, and B = {1, 3, 5}, what is A′, the complement of A with respect to U?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsLet U = {x ∈ N : x ≤ 10}, and let A be the set of prime numbers in U. What is A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf U = {1, 2, 3, 4, 5, 6, 7, 8} and A = {2, 4, 6, 8}, which element belongs to A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1,2,3,4,5,6} and A = {1,3,5}, how many elements are in A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf the universal set is U = {x : x is a digit} and A = {2, 4, 6, 8}, what is A′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1, 2, 3, 4, 5, 6, 7, 8}, A = {1, 2, 3}, and B = {3, 4, 5}, what is (A ∪ B)'?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1, 2, 3, 4, 5, 6} and A = {1, 6}, what is A' ∩ A?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {5, 10, 15, 20, 25, 30} and A = {10, 20, 30}, what is the complement A' relative to U?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf U = {1, 2, 3, 4, 5, 6, 7}, A = {2, 5, 7}, and B = A', what is B'?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy