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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 ∩ B ∩ C = ∅, n(A) = 30, n(B) = 34, n(C) = 36, n(A ∩ B) = 8, n(B ∩ C) = 10, and n(C ∩ A) = 6, what is n(A ∪ B ∪ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium 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 MathematicsGiven n(U) = 95, n(A′) = 47, n(B′) = 52, and n(A ∩ B) = 18, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsIf only A has 12, only B has 15, only C has 18, only A ∩ B has 9, only B ∩ C has 7, only C ∩ A has 6, and A ∩ B ∩ C has 4, what is n(A ∩ (B ∪ C))?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Hard MathematicsIf n(A) = 45, n(B) = 52 and n(A ∪ B) = 73, what is n(A △ B), where A △ B = (A − B) ∪ (B − A)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Hard MathematicsIf A ⊆ B, n(A) = 32, n(B) = 57 and n(U) = 90, then what is n(B − A)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf n(A ∪ B) = 88, n(A ∩ B) = 26, and n(A − B) = 35, what is n(B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Medium MathematicsIf 60% of students are in A, 50% are in B, and 25% are in both A and B, what percentage are in exactly one of the two sets?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 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(U) = 100, n(A) = 48, n(B) = 52, and n(A′ ∩ B′) = 18, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Medium MathematicsIf n(A)=60, n(B)=55, and n(A∩B)=25, how many elements belong to exactly one set?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf n(A ∪ B ∪ C) = 100, n(A) = 50, n(B) = 45, n(C) = 40, n(A ∩ B) = 18, n(B ∩ C) = 15, and n(C ∩ A) = 12, what is n(A ∩ B ∩ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Hard MathematicsIn a survey, n(U) = 120, n(A) = 72, n(B) = 65, and n(A ∩ B) = 38. How many students are only in A?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Easy MathematicsIf n(A ∩ B) = 45, n(A ∩ C) = 38, n(B ∩ C) = 35, and n(A ∩ B ∩ C) = 16, how many elements are in exactly two sets?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Hard MathematicsIf A and B are two overlapping sets, what is A − (A ∩ B) equal to?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Medium MathematicsIf n(A ∪ B) = 139, n(A) = 82, n(B) = 76, and n(U) = 190, what is n(Aᶜ ∪ Bᶜ)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Hard