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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 \(A\cup A'=U\) and \(A\cap A'=\varnothing\), what is the correct meaning of \(A'\)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf \(U=\{1,2,\ldots,100\}\), \(A\) is the set of multiples of 4, and \(B\) is the set of multiples of 6, what is \(n((A\cap B)')\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is \(U=\mathbb{R}\) and \(A=\{x\in\mathbb{R}:x^2\ge 9\}\), what is \(A'\)?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf \(A'=B'\), which conclusion is necessarily true?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf \(U=\{1,2,\ldots,50\}\) and \(A=\{x\in U:5\mid x\}\), what is the value of \(n(A')\)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsWith respect to a universal set, which statement correctly represents De Morgan's law for three sets?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is \(U=\{x:x\in\mathbb{Z},\ 0\le x\le 10\}\) and \(A=\{x:x\in U\text{ and }x^2-5x+6=0\}\), which of the following is the complement \(A'\) of \(A\) with respect to \(U\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf \(U=\mathbb{N}\) and \(A=\{x:x\in\mathbb{N}\text{ and }x\text{ is odd}\}\), what is \(A'\) with respect to \(U\)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf the universal set is \(U=\{1,2,\ldots,12\}\), \(A=\{2,4,6,8,10,12\}\), and \(B=\{3,6,9,12\}\), what is the complement of \(A-B\) with respect to \(U\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf \(U=\{a,b,c,d,e,f\}\), \(A=\{a,c,e\}\), and \(B=\{b,c,f\}\), what is \(A'\cap B'\)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsFor a universal set \(U\), suppose that a set \(A\) is equal to its own complement, \(A=A'\). Which statement about \(U\) must be true?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf U = {x ∈ ℤ | −5 ≤ x ≤ 5} and A = {x ∈ U | x² < 10}, find A′, the complement of A with respect to U.Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsLet \(U=\{1,2,3,\ldots,20\}\) and \(A=\{x:x\in U\text{ and }x\text{ is prime}\}\). What is \(A'\), the complement of \(A\) with respect to \(U\)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsLet \(U=\{1,2,\ldots,54\}\), \(A=\{x:x\text{ is divisible by }6\}\), and \(B=\{x:x\text{ is divisible by }9\}\). What is \(|A'\cup B'|\)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsLet \(U=\{1,2,\ldots,60\}\), \(A=\{x\in U:x\text{ is a multiple of }6\}\), and \(B=\{x\in U:x\text{ is a multiple of }18\}\). Then \(A'\cap B'\) is equal to which of the following?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf, with respect to the universal set, \(A'\cup B=B\), which of the following conclusions is correct?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = R and A = {x ∈ R : x² + x − 6 ≥ 0}, what is A'?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf U = {1, 2, ..., 33} and A = {x : x is divisible by 3}, how many even elements are in A'?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 77}, A = {x ∈ U : x is divisible by 7}, and B = {x ∈ U : x is divisible by 11}, what is |A' ∩ B'|?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf A' ∩ B' = U, what is the correct conclusion about A ∪ B?Class 10SetsComplement of a Set and Its PropertiesEasy