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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) = 31, n(B) = 22, and n(A ∩ B) = 9, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Easy MathematicsIf n(A) = 32, n(A ∪ B) = 48, and n(A ∩ B) = 10, what is n(B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Easy MathematicsIf n(A)=11, n(B)=9, and n(A∩B)=4, what is the total number of elements in only A and only B?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf n(A) = 8, n(B) = 7, n(C) = 6, n(A ∩ B) = 2, n(A ∩ C) = 1, n(B ∩ C) = 3, and n(A ∩ B ∩ C) = 1, what is n(A ∪ B ∪ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIn a class of 42 students, 24 like mathematics, 18 like science, and 7 like both subjects. How many students like at least one subject?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf n(U) = 80, the number of elements outside both sets is 15, only A has 25 elements, and only B has 18 elements, what is n(A ∩ B)?Class 10SetsVenn DiagramsLevel 14Easy MathematicsIf n(A) = 14, n(B) = 10, and n(A ∩ B) = 3, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 14Easy MathematicsIf n(A) = 10, n(B) = 8, n(C) = 6, n(A ∩ B) = 3, n(A ∩ C) = 2, n(B ∩ C) = 1, and n(A ∩ B ∩ C) = 0, what is n(A ∪ B ∪ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIn a group of 40 people, 22 like tea, 18 like coffee, and 7 like both. How many people like neither tea nor coffee?Class 10SetsVenn DiagramsLevel 11Easy MathematicsIn a class of 30 students, 18 play cricket, 12 play football, and 5 play both. How many students play at least one of the two games?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf n(U) = 50, n(A) = 20, n(B) = 16, and n(A ∩ B) = 6, how many elements are in neither A nor B?Class 10SetsComplement of a Set and Its PropertiesLevel 11Easy MathematicsIf n(A) = 13, n(B) = 17, and n(A ∩ B) = 5, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf n(A) = 12, n(B) = 9, and n(A ∩ B) = 4, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf A = {1,2,3,4}, how many elements of P(A) contain 1 or have size 2?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf A = {1, 2} and B = {2, 3}, how many elements are in P(A) ∪ P(B)?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf |U| = 10, |A| = 6, |B| = 5, and |A ∩ B| = 3, what is |P((A ∪ B)′)|?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsLet \(U=\{1,2,\ldots,20\}\). If \(A\) is the set of multiples of 4 and \(B\) is the set of multiples of 6 in \(U\), what is \(n((A\cup B)')\)?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf U={1,2,...,30}, A is the set of multiples of 2, and B is the set of multiples of 5, what is n((A∪B)')?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsLet U = {1, 2, 3, ..., 30}, and let A be the set of numbers divisible by 2 or 3. What is |A′|?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf A={1,2,3,4,5}, how many elements of the power set P(A) contain at least one of 2 and 3?Class 10SetsPower Set and SubsetsLevel 9Medium