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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) = 45, n(B) = 38, and n(A ∪ B) = 63, find n(A ∩ B).Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Hard MathematicsIf A ∪ B = {1, 2, 3, 4, 5, 6}, A ∩ B = {2, 5}, and A − B = {1, 4}, what is B − A?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Hard MathematicsIf A = {x ∈ ℤ : −2 ≤ x < 5} and B = {x ∈ ℤ : x² ≤ 9}, then what is A − B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsLet A = {x ∈ ℕ : 1 ≤ x ≤ 30 and x is a multiple of 2} and B = {x ∈ ℕ : 1 ≤ x ≤ 30 and x is a multiple of 3}. How many elements are in A ∩ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf A = {1, 4, 9, 16, 25} and B = {2, 4, 8, 16, 32}, what is (A − B) ∪ (B − A)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A = {x : x² − 7x + 12 = 0} and B = {x : x² − 9x + 20 = 0}, what is A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A = [-1, 4] and B = (1, 6), what is A ∩ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIn a group, 24 students study Hindi, 18 study English, and 7 study both languages. How many students study only Hindi?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf A = {x : x ∈ ℕ, x ≤ 15} and B = {x : x ∈ ℕ, x is odd, x ≤ 15}, what is A − B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf n(A ∪ B) = 60, n(A − B) = 18, and n(B − A) = 22, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, what is n(A − B) + n(B − A)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A = {1, 2, 3}, what is A ∩ ∅?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf A = {1, 2, 3}, what is A ∪ ∅?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsWhich statement is generally not true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsWhich option is always true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf \(A=\{x:x\in\mathbb N,\ x\le12\}\) and \(B=\{x:x\in\mathbb N,\ x\text{ is a perfect square},\ x\le12\}\), how many elements are in \(A-B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy 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 \(A=\{x:x\text{ is a multiple of }3,\ 1\le x\le20\}\) and \(B=\{x:x\text{ is a multiple of }5,\ 1\le x\le20\}\), what is \(A\cap B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf \(A=\{1,2,4,8\}\), \(B=\{2,4,6\}\), and \(C=\{4,6,8\}\), what is \((A\cap B)\cup C\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf \(A=\{1,2,3,4,5\}\), \(B=\{2,3,6\}\), and \(C=\{3,4,7\}\), what is \(A\cap(B\cup C)\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium