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Disjoint Sets

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

MathematicsIf A ∩ B = ∅, n(A) = 57, n(B) = 46, and n(U) = 125, what is n((A ∪ B)′)?Class 10SetsComplement of a Set and Its PropertiesLevel 15Medium MathematicsAssertion: If A ∩ B = ∅, then n(A ∪ B) = n(A) + n(B). Reason: Disjoint sets have no common elements or common region. Choose the correct option.Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf A, B and C are mutually disjoint, n(A) = 18, n(B) = 24, n(C) = 29 and n(U) = 90, then what is n((A ∪ B ∪ C)')?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf n(A ∩ B) = 0, n(A) = 28, and n(B) = 34, what is n(A △ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Medium MathematicsIf A ∩ B = ∅, then what is A − B equal to?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Easy MathematicsIf A ∩ B = ∅, n(A) = 44, n(B) = 52, and n(U) = 130, what is n((A ∪ B)′)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Medium MathematicsIf A ∩ B = ∅ and B ∩ C = ∅, must A ∩ C = ∅?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf A ∩ B = ∅, n(A) = 41, n(B) = 39, and n(U) = 100, what is n((A ∪ B)′)?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf n(A ∪ B) = n(A) + n(B), what is the correct conclusion about A and B in a Venn diagram?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf A ∩ B = ∅ and B ∩ C = ∅, is it necessary that A ∩ C = ∅?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf A∩B=∅, n(A)=31, and n(B)=44, what is n(A∪B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf n(A ∪ B) = n(A) + n(B), which conclusion is correct according to the Venn diagram?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIn a Venn diagram, n(A ∩ B) = 0 and n(A ∪ B) = 92. If n(A) = 40, what is n(B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Easy MathematicsIf n(A) = 49, n(B) = 52, and A ∩ B = ∅, how many elements belong to exactly one of the two sets?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf A∩B=∅, n(A)=45, and n(B)=37, what is n(A∪B)?Class 10SetsVenn DiagramsLevel 15Easy MathematicsIf A and B are disjoint sets, which of the following statements is correct?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Easy MathematicsIf A ∩ B = ∅, n(A) = 33, and n(B) = 41, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsSets A and B are disjoint. Which statement is correct?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf A ∩ B = ∅, n(A) = 26, and n(B) = 19, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf \(A\cap B=\varnothing\), \(n(A)=24\), and \(n(B)=37\), what is \(n(A\cup B)\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Easy