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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)=4x+5, n(B)=3x+8, n(A∩B)=2x+1, and n(A∪B)=72, what is the value of x?Class 10SetsVenn DiagramsLevel 10Medium 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 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 MathematicsIf n(A ∪ B) = 84 and n(A ∩ B) = 27, what is n(A − B) + n(B − A)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium MathematicsLet U = {1, 2, ..., 30}. If A is the set of multiples of 2 in U and B is the set of multiples of 5 in U, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 11Medium 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 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 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 A and B are overlapping sets, which region is shaded for A ∪ B in a Venn diagram?Class 10SetsVenn DiagramsLevel 11Easy MathematicsWhich Venn diagram region represents A − (B ∪ C)?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf n(U) = 110, n(A) = 58, n(B) = 49 and n(A − B) = 21, then what is n((A ∪ B)′)?Class 10SetsSets and their representationsLevel 10Hard MathematicsIf A ∩ B = ∅, n(A) = 41, n(B) = 39, and n(U) = 100, what is n((A ∪ B)′)?Class 10SetsVenn DiagramsLevel 11Medium MathematicsIf n(U) = 150, n(A) = 70, n(B) = 65, and n(A ∩ B) = 28, what is n((A ∪ B)')?Class 10SetsVenn DiagramsLevel 13Medium MathematicsIn a class of 100 students, 72 chose at least one of A or B. If only A has 28 students and only B has 34 students, how many students are in both?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf n(A − B) = 27, n(B − C) = 31, n(C − A) = 24, and the three sets are drawn generally, why is n(A ∪ B ∪ C) not determined from these alone?Class 10SetsVenn DiagramsLevel 15Hard 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