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Mathematics

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

MathematicsAssertion: (A∪B)′=A′∩B′. Reason: To be outside A∪B, an element must be outside both A and B. Choose the correct option.Class 10SetsComplement of a Set and Its PropertiesLevel 15Medium MathematicsIf only n(A−B)=24, n(B−C)=27 and n(C−A)=22 are given, can n(A∪B∪C) be determined uniquely?Class 10SetsVenn DiagramsLevel 15Hard MathematicsIf n(A∪B∪C)=184, n(A)=86, n(B)=91, n(C)=88 and n(A∩B∩C)=23, what is n(A∩B)+n(B∩C)+n(C∩A)?Class 10SetsVenn DiagramsLevel 15Hard MathematicsIf n(A−B)=0, n(B−C)=0 and n(A)>0, which relation must be true?Class 10SetsVenn DiagramsLevel 15Easy MathematicsIf A⊆B⊆C⊆U, then what is (A∪B∪C)′ equal to?Class 10SetsComplement of a Set and Its PropertiesLevel 15Easy MathematicsIf A, B and C are mutually disjoint, n(A)=27, n(B)=34, n(C)=41 and n(U)=125, what is n((A∪B∪C)′)?Class 10SetsComplement of a Set and Its PropertiesLevel 15Medium MathematicsIf n(A∩(B∪C))=52, only A∩B has 23 elements and only A∩C has 18 elements, what is n(A∩B∩C)?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf n(A)=82, n(B)=77, n(C)=69, n(A∪B∪C)=151, n(A∩B)=32, n(B∩C)=28, and n(C∩A)=25, what is n(A∩B∩C)?Class 10SetsVenn DiagramsLevel 15Hard MathematicsIf only A∩B has 19 elements, only B∩C has 17 elements, only C∩A has 21 elements, and A∩B∩C has 11 elements, how many elements are in at least two sets?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIn an exam, among 180 students, 97 solved A, 88 solved B, 82 solved C, 41 solved A and B, 36 solved B and C, 34 solved C and A, and 18 solved all three. How many solved at least one question?Class 10SetsVenn DiagramsLevel 10Hard MathematicsIn a library, among 150 students, 83 read novels, 69 read poetry, and 28 read neither. How many read both?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf n(A ∩ B) = 0, n(A) = 39, and n(B) = 48, what is n(A △ B)?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf n(A ∪ B) = n(B), which relation is correct according to the Venn diagram?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf A ∩ B = ∅, then (A ∪ B) − A is equal to what?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf A ∩ B = A and B ∩ C = B, then what is A ∩ C equal to?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf A ⊆ B, how is the statement B' ⊆ A' according to the Venn diagram?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIn a Venn diagram, A − (B ∪ C) is equal to what?Class 10SetsVenn DiagramsLevel 10Medium MathematicsWhich region does ((A ∪ B)' ∩ C) represent in a Venn diagram?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf n(A ∪ B) = 115 and n(A ∩ B) = 42, what is n(A − B) + n(B − A)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf n(A) = 69, n(B) = 74, and n(A − B) = 28, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Medium