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Class 10 Mcq

Class 10 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf U = {1, 2, ..., 22}, A = {x : x ∈ U, x is even}, and B = {x : x ∈ U, x is a perfect square}, what is (A ∩ B)'?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf n(U) = 75, n(A) = 28, n(B) = 35, and n(A ∪ B) = 50, what is n((A' ∩ B')')?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is U = ℝ and A = {x ∈ ℝ : x² = 4}, what is A'?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 54}, A = {x : x ∈ U and 6 divides x}, and B = {x : x ∈ U and 9 divides x}, what is n(A′ ∩ B)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsFor subsets A and B of a universal set U, if A' = B', which conclusion is necessarily true?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 25} and A' = {4, 8, 12, 16, 20, 24}, how many elements of A are divisible by 4?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsWith respect to the universal set U, which of the following De Morgan identities is true for every pair of sets A and B?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 32} and A = {x : x ∈ U, x is even}, how many ordered pairs are in A' × A'?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf \(U=\{x\in\mathbb{Z}:-3\le x\le 8\}\), \(A=\{x\in U:x+1\ge4\}\), and \(B=\{x\in U:x<6\}\), what is \(A'\cup B'\)?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf \(U=\{1,2,\ldots,60\}\), \(A=\{x:x\in U,2\mid x\}\), and \(B=\{x:x\in U,3\mid x\}\), what is \(n(A'\cap B')\)?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf the universal set is \(U=\mathbb{R}\) and \(A=\{x\in\mathbb{R}\mid x<3\text{ or }x\ge 8\}\), what is \(A'\)?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf U = {1, 2, ..., 49} and A = {x : x ∈ U, x is a perfect square}, how many numbers divisible by 7 are in A′?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf \(U=\{1,2,\ldots,27\}\), \(A=\{x\in U:3\mid x\}\), and \(B=\{x\in U:9\mid x\}\), what is \(A\cap B'\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is \(U=\mathbb{R}\), \(A=(-\infty,2]\), and \(B=[-1,\infty)\), what is \(A'\cap B'\)?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf the universal set \(U=\{1,2,\ldots,16\}\), \(A=\{1,2,4,8,16\}\), and \(B=\{3,6,9,12,15\}\), what is the complement of \(A\cup B\) relative to \(U\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf \(U=\{1,2,\ldots,35\}\), \(A=\{x\in U:5\mid x\}\), and \(B=\{x\in U:x\text{ is odd}\}\), what is \(B'\cap A\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is \(U=\mathbb{R}\), \(A=\{x\in\mathbb{R}:x\ne 0\}\), and \(B=\{x\in\mathbb{R}:x\ne 1\}\), what is \(A'\cup B'\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {x : x ∈ Z, −9 ≤ x ≤ 9} and A = {x : x ∈ U, |x| > 4}, what is A′?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf U = {1, 2, ..., 50} and A = {x : x ∈ U, the last digit of x is 2 or 7}, what is n(A′)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf A ⊆ U, what is (A′ ∩ A)′ equal to?Class 10SetsComplement of a Set and Its PropertiesEasy