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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 \(A=\{1,2,3,4\}\) and \(B=\{4,5,6\}\), what is \(n(A\cup B)\)?Class 10SetsThe Empty Set, Finite and Infinite Sets, Equal SetsLevel 10Easy MathematicsIf \(A\cap B=\varnothing\), \(n(A)=3\), and \(n(B)=5\), what is \(n(A\cup B)\)?Class 10SetsPower Set and SubsetsLevel 10Easy MathematicsIf n(A) = 8, n(B) = 6, and n(A ∪ B) = 10, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf \(A=\{\text{red},\text{blue},\text{green}\}\) and \(B=\{\text{blue},\text{yellow}\}\), what is \(A-B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf \(A=\{\text{red},\text{blue},\text{green}\}\) and \(B=\{\text{blue},\text{yellow}\}\), what is \(A\cup B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf \(A=\{1,2,3\}\) and \(B=\{3,2,1\}\), what is \(A\cup B\)?Class 10SetsSets and their representationsLevel 16Easy MathematicsIf \(A=\{x:x\text{ is a vowel in English}\}\) and \(B=\{a,e,i\}\), then, using \(B\subseteq A\), what is \(A\cup B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf \(A=\{1,2,3,4\}\) and \(B=\{3,4,5,6\}\), what is \((A\cup B)-(A\cap B)\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf \(A=\{1,2,3\}\), what is \(A\cup\varnothing\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf \(U=\{1,2,3,4,5,6\}\), \(A=\{1,2,3\}\), and \(B=\{3,4\}\), what is \(A\cup B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf \(A\subseteq B\), then what is \(A\cup B\) equal to?Class 10SetsEqual sets and SubsetsLevel 10Easy MathematicsIf \(A=\{1,2\}\), \(B=\{2,3\}\), and \(C=\{3,4\}\), what is \(A\cup B\cup C\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf P = {x : x ∈ N, x < 5} and Q = {2, 4, 6}, which set is P ∪ Q?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf A = {1, 2, 3} and B = {3, 4, 5}, what is A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 16Easy MathematicsIf A⊆B⊆C⊆U, then what is (A∪B∪C)′ equal to?Class 10SetsComplement of a Set and Its PropertiesLevel 15Easy MathematicsIf A, B and C are mutually disjoint, n(A)=27, n(B)=34, n(C)=41 and n(U)=125, what is n((A∪B∪C)′)?Class 10SetsComplement of a Set and Its PropertiesLevel 15Medium MathematicsIf n(A∩(B∪C))=52, only A∩B has 23 elements and only A∩C has 18 elements, what is n(A∩B∩C)?Class 10SetsVenn DiagramsLevel 15Medium MathematicsIf n(A) = 69, n(B) = 74, and n(A − B) = 28, what is n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 15Medium MathematicsIf U = {1, 2, ..., 120}, A is the set of multiples of 8 and B is the set of multiples of 12, choose the correct value of n((A ∪ B)').Class 10SetsComplement of a Set and Its PropertiesLevel 15Medium MathematicsIf U = {1, 2, ..., 120}, A is the set of multiples of 8 and B is the set of multiples of 12, what is n((A ∪ B)')?Class 10SetsComplement of a Set and Its PropertiesLevel 15Medium