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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) = 35, n(B) = 27, and n(A ∪ B) = 50, what is n(A − B)?Class 10SetsSets and their representationsLevel 10Medium MathematicsIf \(A=\{x:x\text{ is a multiple of }4,\ 1\le x\le25\}\) and \(B=\{x:x\text{ is a multiple of }6,\ 1\le x\le25\}\), how many elements are in \(A\cup B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A = {2, 3, 5, 7} and B = {5, 7, 11, 13}, how many elements are in A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf A ∩ B = ∅, n(A) = 9, and n(B) = 11, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIn a class, 30 students study Mathematics, 22 students study Physics, and 12 students study both subjects. How many students study at least one subject?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf n(A ∪ B) = 45, n(A) = 28, and n(B) = 25, find n(A ∩ B).Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf n(A) = 18, n(B) = 14, and n(A ∩ B) = 6, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIn a school, 36 students learn music, 29 learn painting, and 14 learn both. How many students learn at least one activity?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Medium MathematicsIf n(A) = 31, n(B) = 28, and n(A ∪ B) = 46, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Medium MathematicsIf n(A) = 26, n(B) = 19, and n(A ∩ B) = 8, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Medium MathematicsIn a class, 22 students like drawing, 16 like music, and 6 like both. How many students like at least one activity?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf A = {2, 4, 6, 8} and B = {1, 2, 3, 4, 5}, how many elements are in A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf n(A ∪ B) = 20, n(A) = 12, and n(B) = 11, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf n(A) = 14, n(B) = 9, and n(A ∩ B) = 4, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf n(A) = 16, n(B) = 13, and n(A ∪ B) = 21, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Easy MathematicsIn a class, 18 students play cricket, 12 play football, and 5 play both. How many students play at least one game?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Easy MathematicsIf A = {2, 4, 6, 8, 10} and B = {1, 2, 3, 4, 5}, how many elements are in A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Easy MathematicsIf \(n(A)=5\), \(n(B)=4\), and \(n(A\cap B)=2\), what is \(n(A\cup B)\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf U = {1, 2, ..., 180}, A is the set of multiples of 12, B is the set of multiples of 15, and C is the set of multiples of 20, what is n((A ∪ B ∪ C)′)?Class 10SetsVenn DiagramsLevel 15Hard MathematicsIf n(A∪B∪C)=184, n(A)=86, n(B)=91, n(C)=88 and n(A∩B∩C)=23, what is n(A∩B)+n(B∩C)+n(C∩A)?Class 10SetsVenn DiagramsLevel 15Hard