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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) = 30, n(B) = 28, and n(A ∪ B) = 52, what is n(A − B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsIf n(A) = 46 and n(B) = 39, what is the maximum possible value of n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Easy MathematicsIf n(U) = 100, n(A) = 64, and n(B) = 58, what is the minimum possible value of n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsIf n(U) = 60, n(A) = 35, and n(B) = 32, what is the minimum possible value of n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Hard MathematicsIf A and B are disjoint, then what is (A ∪ B)' equal to?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf A ∩ B = ∅ and B ∩ C = ∅, must A ∩ C = ∅?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf n(A ∪ B) = n(U), which region is empty in the Venn diagram?Class 10SetsVenn DiagramsLevel 11Medium MathematicsOut of 70 students, 45 study Hindi, 40 study English, and 30 study both languages. How many students study at least one of the two languages?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Easy MathematicsIn a survey of 160 people, 92 have a mobile phone, 78 have a laptop, and 51 have both. How many people have exactly one of the two devices?Class 10SetsEqual sets and SubsetsLevel 10Medium MathematicsIn a Venn diagram, 14 elements lie outside both A and B, 22 lie only in A, 18 lie only in B, and 11 lie in both A and B. What is n(U)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsLet A = {x ∈ N : x ≤ 12}, B be the set of even natural numbers not exceeding 12, and C be the set of multiples of 3 not exceeding 12. What is n(B ∩ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Easy MathematicsIf n(A − B) = 2x + 3, n(B − A) = x + 7, n(A ∩ B) = x − 1, and n(A ∪ B) = 45, what is the value of x?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf n(A) = 3x + 2, n(B) = 2x + 5, n(A ∩ B) = x + 1, and n(A ∪ B) = 30, what is the value of x?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf n(A ∪ B ∪ C) = 118, n(A) = 45, n(B) = 50, n(C) = 55, n(A ∩ B) = 18, n(B ∩ C) = 20, and n(C ∩ A) = 16, what is n(A ∩ B ∩ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Hard MathematicsAmong 100 students, 40 are only in A, 28 are only in B, and 12 are in both. How many are in at least one set?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Easy MathematicsIn a survey of 90 people, 52 like tea, 47 like coffee, and 25 like both. How many like neither tea nor coffee?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsIf n(A ∩ B') = 24, n(A' ∩ B) = 31, and n(A ∩ B) = 16, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsIf n(U) = 95, n(A') = 47, n(B') = 52, and n(A ∩ B) = 18, choose the correct value of n(A ∪ B).Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsIf n(A ∩ B) = n(A) and n(A) > 0, what is the relation between A and B in a Venn diagram?Class 10SetsVenn DiagramsLevel 11Easy MathematicsIf A and B are overlapping sets, which region is shaded for A ∪ B in a Venn diagram?Class 10SetsVenn DiagramsLevel 11Easy