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

MathematicsIf \(A \cup B' = B'\), which of the following conclusions is always true?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium MathematicsIf \(|U|=150\), \(|A'|=92\), \(|B'|=76\), and \(|A\cap B|=31\), what is \(|(A\cup B)'|\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 20Hard MathematicsIf \(U=\{1,2,\ldots,72\}\), \(A\) is the set of multiples of 4, and \(B\) is the set of multiples of 9, what is \(|(A\cup B)'|\)?Class 10SetsComplement of a Set and Its PropertiesLevel 20Hard MathematicsIf A ⊆ U, what are A ∪ A′ and A ∩ A′, respectively?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf U = R, A = [-2, 5) and B = (0, 7], what is (A ∪ B)'?Class 10SetsComplement of a Set and Its PropertiesLevel 19Hard MathematicsIf (A ∪ B)' = ∅ and A ∩ B = ∅, then B is equal to what?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U is the universal set, then (A ∩ B')' is equal to which of the following?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U = {1, 2, ..., 30}, A is the set of prime numbers and B is the set of multiples of 3, then how many elements are in (A ∪ B)'?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U = {1,2,3,4,5,6,7,8,9}, A = {1,2,3,4}, B = {3,4,5,6}, and C = {5,6,7,8}, what is (A ∪ B ∪ C)ᶜ?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {1, 2, 3, 4, 5, 6, 7, 8}, A = {1, 2, 3, 4}, and B = {3, 4, 5, 6}, what is (Aᶜ ∪ B)ᶜ?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {a, b, c, d, e, f}, A = {a, b, c}, and D = {d, e, f}, which conclusion is correct using A ∩ D and A ∪ D?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf the universal set is U = {1,2,3,4,5,6,7} and A = {1,4,7}, how many elements does Aᶜ ∪ A contain?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf U = {1,2,3,4,5,6}, A = {1,2,3}, and B = {3,4,5}, what is Aᶜ ∪ Bᶜ?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf A ∪ Aᶜ is considered, what is its value?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsGiven the universal set \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,3,5,7\}\), and \(B=\{2,3,5,8\}\), what is the value of \((A\cup B)^c\)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf the universal set is \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,2,3,4,5\}\), and \(B=\{6,7,8\}\), what is the value of \((A\cup B)^c\)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsLet the universal set be \(U=\{1,2,3,\ldots,12\}\), \(A=\{2,3,5,7,11\}\), and \(B=A^c\). What is the value of \(A\cup B\)?Class 10SetsComplement of a Set and Its PropertiesLevel 20Easy MathematicsWhich of the following statements about the complement Aᶜ of a set A is always true?Class 10SetsComplement of a Set and Its PropertiesLevel 20Easy MathematicsFor subsets A and B of a universal set U, which of the following statements is always true?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium MathematicsIf the universal set is U = {1,2,3,...,10}, A = {2,4,6,8,10}, and B = {1,2,3,4,5}, what is (Aᶜ ∪ B)ᶜ?Class 10SetsComplement of a Set and Its PropertiesLevel 20Medium