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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 n(A ∩ B′) = 29, n(A′ ∩ B) = 34, and n(A ∩ B) = 21, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf A ⊆ B, what are A ∪ B and A ∩ B, respectively?Class 10SetsVenn DiagramsLevel 15Easy MathematicsIn a school of 120 students, 68 chose A, 57 chose B, and 31 chose both. What percentage chose at least one of A or B?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf n(A − B) = x + 4, n(B − A) = 2x − 1, n(A ∩ B) = x + 3, and n(A ∪ B) = 46, what is the value of x?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Medium MathematicsIf n(A Δ B) = 54 and n(A ∩ B) = 19, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Medium MathematicsIf n(A−B)=23, n(B−A)=17, and n(A∩B)=12, what is n(A∪B)?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf A∩B=∅, n(A)=31, and n(B)=44, what is n(A∪B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf only A, only B, only C, exactly two sets, and all three sets contain 16, 19, 14, 27, and 8 elements respectively, how many elements are in at least one set?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIn a survey, the universal set U has 200 people, and 164 people belong to at least one of the sets A, B, or C. How many people belong to none of the three sets?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf n(U) = 150 and n(A ∪ B) = 118, what is the number of elements in (A ∪ B)ᶜ?Class 10SetsComplement of a Set and Its PropertiesLevel 15Easy MathematicsIf n(A ∪ B) = 136, n(A − B) = 49, and n(A ∩ B) = 31, what is n(B)?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf n(A △ B) = 112 and n(A ∩ B) = 39, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIn a Venn diagram, n(A) = 91, n(B) = 87, and n(A ∩ B) = 34. If n(U) = 190, what is n((A ∪ B)ᶜ)?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf n(A − B) = x, n(B − A) = 3x, n(A ∩ B) = 24, and n(A ∪ B) = 120, what is x?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf n(A ∪ B ∪ C) = 205, n(A ∩ B ∩ C) = 24, and exactly two sets contain a total of 83 elements, how many elements are in exactly one set?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf n(A∪B∪C)=156, 74 elements are in exactly one set, and 17 elements are in all three sets, how many elements are in exactly two sets?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf, in three sets, 84 elements are in exactly one set, 63 elements are in exactly two sets, and 18 elements are in all three sets, what is n(A∪B∪C)?Class 10SetsVenn DiagramsLevel 10Medium MathematicsIf only n(A − B) = 42, n(B − C) = 35, and n(C − A) = 31 are given, which conclusion cannot always be assumed true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Hard MathematicsU = {1, 2, 3, ..., 72}, A = {x : x is divisible by 6}, and B = {x : x is divisible by 8}. What is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 14Medium MathematicsIf n(A ∪ B) = n(A), which relation must be true?Class 10SetsVenn DiagramsLevel 10Medium