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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 \(n(U)=30\) and \(n(A)=18\), what is the value of \(n(A')\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf \(U=\{1,2,3,4,5,6,7,8,9,10,11,12\}\) and \(A=\{3,6,9,12\}\), how many elements does \(A'\) contain?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf A = {x : x ∈ N, x ≤ 60, 4 divides x} and B = {x : x ∈ N, x ≤ 60, 6 divides x}, what is |A \ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf \(A\), \(B\), and \(C\) are finite sets and \(A\cap B\cap C=\varnothing\), which formula for \(|A\cup B\cup C|\) is correct?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Hard MathematicsIf \(|A\cup B|=92\), \(|A\setminus B|=31\), and \(|A\cap B|=27\), what is \(|B|\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Hard MathematicsIf A and B are finite sets, |A ∪ B| = 65, |A ∩ B| = 18, and |A| = 39, what is |B \ A|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A ∩ B = B ∩ C = C ∩ A = ∅, |A| = 9, |B| = 11, and |C| = 13, what is |A ∪ B ∪ C|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf A △ B = (A \ B) ∪ (B \ A), |A △ B| = 34, and |A ∪ B| = 51, what is |A ∩ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Hard MathematicsIf |A| = 41, |B| = 36, and |A \ B| = 19, what is |A ∪ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf |A \ B| = 17, |B \ A| = 23, and |A ∩ B| = 14, what is |A ∪ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf |A ∪ B| = 70, |A \ B| = 25, and |B \ A| = 30, what is |A ∩ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A = {x : x ∈ ℕ, x ≤ 12}, B = {x ∈ A : x is even}, and C = {x ∈ A : x is prime}, how many elements are in B ∪ C?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Easy MathematicsIf \(n(A\cup B)=n(A)+n(B)\) and \(n(A)=0\), what is \(A\cap B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Easy MathematicsIf A and B are finite sets and |A \ B| = 9, |B \ A| = 4, and |A ∩ B| = 11, what is |A ∪ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf \(A\cap B=\varnothing\), which formula for \(|A\cup B|\) is correct?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Easy MathematicsIf A △ B = (A \ B) ∪ (B \ A), |A| = 21, |B| = 19, and |A ∩ B| = 8, what is |A △ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Hard MathematicsIf |A| = 12, |B| = 18, |C| = 20, |A ∩ B| = 5, |B ∩ C| = 7, |C ∩ A| = 4, and |A ∩ B ∩ C| = 2, what is |A ∪ B ∪ C|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Hard MathematicsIf |A| = 28, |B| = 35, and |A ∪ B| = 50, what is |A \ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Medium MathematicsIf n(A ∪ B) = 54, n(A \ B) = 17, and n(B \ A) = 21, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Medium MathematicsLet U be a universal set with n(U) = 60. If n(A) = 32, n(B) = 27, and n(A ∩ B) = 11, what is n((A ∪ B)′), the number of elements in the complement of A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium