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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 U = {1, 2, ..., 20}, A = {x : x ∈ U and x ≤ 8}, and B = {x : x ∈ U and x ≥ 14}, what is (A ∪ B)′?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsLet A and B be two sets in a universal set U. Which of the following statements is always true?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf A ⊆ U, what is A ∩ U′ equal to?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf the universal set is U = {1, 2, ..., 30} and A = {x : x ∈ U and the last digit of x is 0 or 5}, what is n(A′)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U = {a, b, c, d, e, g, h} and A = {a, e, h}, what is A′?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf U = {1, 2, ..., 12} and A = {1, 2, 3, 4, 5}, what is A' union A?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsLet A and B be subsets of U with A union B = U. Which statement about A' is always true?Class 10SetsComplement of a Set and Its PropertiesLevel 19Hard MathematicsIf U = {1, 2, ..., 25} and A is the set of non-prime elements of U, what is A'?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsLet U = {x in N : x <= 60}, A = {multiples of 3 in U}, and B = {multiples of 4 in U}. What is n((A intersection B)')?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsLet U = {1, 2, 3, ..., 16} and A = {x in U : x is divisible by 4}. What is the complement A' with respect to U?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsWhich statement is false for the complement of A?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf U = R, A = (-infinity, 1), and B = (4, infinity), what is (A union B)'?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf \(A-B=A\cap B'\), then what is \((A-B)'\) equal to?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf \(U=\{x\in\mathbb{Z}\mid -3\le x\le 7\}\) and \(A=\{x\in U\mid x+2>4\}\), what is \(A'\), the complement of \(A\) in \(U\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf the universal set is \(U=\{1,2,\ldots,24\}\), \(A=\{x:x\in U\text{ and }x\text{ is even}\}\), and \(B=\{x:x\in U\text{ and }x\text{ is odd}\}\), what is the relation between \(A'\) and \(B\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf \(A\cap B=\varnothing\), which statement about \(B\) must be true?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsIf \(n(U)=120\) and \(n(A')=47\), what is \(n(A)\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsIf \(U=\mathbb{R}\) and \(A=[-2,4)\), what is \(A'\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Medium MathematicsFor subsets \(A\) and \(B\) of a universal set \(U\), which of the following statements is always true?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy MathematicsWhich option gives the correct form of \((A\cup B)'\)?Class 10SetsComplement of a Set and Its PropertiesLevel 19Easy