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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 \(n(A)=11\), what is \(n(A')\)?Class 10SetsComplement of a Set and Its PropertiesLevel 11Easy MathematicsIf n(A) = 20, n(B) = 15, and n(A ∪ B) = 28, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf n(A) = 12, n(B) = 9, and n(A ∩ B) = 4, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsWhich region does A′ represent in a Venn diagram?Class 10SetsVenn DiagramsLevel 10Easy MathematicsWhich region does A ∪ B represent in a Venn diagram?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIn a Venn diagram, what does the common part of two circles represent?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIn a Venn diagram, what does the rectangle usually represent?Class 10SetsVenn DiagramsLevel 10Easy MathematicsLet U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and A = {x : x ∈ U and x is even}. How many elements of P(A′) have exactly two elements?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {1, 2, 3, 4}, how many elements of P(A) are disjoint from A?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf U = {1, 2, 3, 4, 5, 6, 7} and A = {2, 4, 6}, how many subsets of P(A′) contain both 1 and 7?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A is a subset of B, n(A) = 3, and n(B) = 5, how many elements does the set P(B) − P(A) contain? Here, P(X) denotes the power set of X.Class 10SetsPower Set and SubsetsLevel 10Easy MathematicsIf A = {1,2,3,4,5}, how many elements of P(A) do not contain 1 and must contain 2?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {a,b,c,d}, how many elements of P(A) do not contain a and have odd size?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf A = {1,2,3,4}, how many elements of P(A) contain 1 or have size 2?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf A has 3 elements, how many elements are in P(P(P(A)))?Class 10SetsPower Set and SubsetsLevel 10Expert MathematicsIf U = {1,2,3,4,5,6}, A = {1,2,3}, and B = {3,4,5}, what is n(P(A′ ∪ B′))?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf U = {1,2,3,4,5}, A = {1,2}, and B = {2,3,4}, what is n(P((A ∩ B)′))?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf A = {1,2,3}, how many elements are in P(A) − {∅, A}?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {1,{2}}, which of the following is an element of P(A)?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsLet A = {1,2,3}. Which statement is correct: {1} ∈ P(A) or {1} ⊆ P(A)?Class 10SetsPower Set and SubsetsLevel 10Hard