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Sets And Their Representations

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

MathematicsIf \(A=\{0,2,4\}\) and \(B=\{1,3,5\}\), how many ordered pairs in \(A\times B\) have the second coordinate exactly 1 greater than the first coordinate?Class 10SetsSets and their representationsLevel 10Easy MathematicsIf \(A=\{1,2,3,4\}\) and \(B=\{1,2,3,4\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(x+y\leq 5\)?Class 10SetsSets and their representationsLevel 10Medium MathematicsIf \(A=\{1,2,4,8\}\) and \(B=\{2,4,8,16\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(y=2x\)?Class 10SetsSets and their representationsLevel 10Medium MathematicsIf n(A) = 35, n(B) = 27, and n(A ∪ B) = 50, what is n(A − B)?Class 10SetsSets and their representationsLevel 10Medium MathematicsIf \(A=\{1,2,3\}\) and \(B=\{3,2,1\}\), what is \(A\cup B\)?Class 10SetsSets and their representationsLevel 16Easy MathematicsIf n(U) = 110, n(A) = 58, n(B) = 49 and n(A − B) = 21, then what is n((A ∪ B)′)?Class 10SetsSets and their representationsLevel 10Hard MathematicsWhich statement about a universal set is correct?Class 10SetsSets and their representationsLevel 10Easy MathematicsIf A = {1, 2, 3, 4}, how many subsets either contain both 2 and 3 or contain neither of them?Class 10SetsSets and their representationsLevel 9Medium MathematicsIf A = {x : x ∈ Z, −2 ≤ x < 2}, which of the following sets is equal to A?Class 10SetsSets and their representationsLevel 6Easy MathematicsIf A = {x ∈ Z : |x − 2| < 2} and B = {1, 2, 3}, which statement is correct?Class 10SetsSets and their representationsLevel 7Medium MathematicsIf A is the set of positive divisors of 18 that are less than 10 and B = {1, 2, 3, 6, 9}, which statement is true?Class 10SetsSets and their representationsLevel 7Medium MathematicsIf A = {x : x is a letter of the English word “LEVEL”}, what are the elements of A?Class 10SetsSets and their representationsLevel 7Easy MathematicsIf \(A=\{1,2,3,4,5\}\), how many subsets contain 1 and do not contain 2?Class 10SetsSets and their representationsLevel 9Medium MathematicsIf \(A=\{1,2,3,4\}\), how many subsets contain 1 or 2?Class 10SetsSets and their representationsLevel 9Medium MathematicsIf A = {x : x ∈ N, 2x + 1 < 10}, where N = {1, 2, 3, ...}, then A is equal to:Class 10SetsSets and their representationsLevel 9Medium MathematicsIf A ⊆ B, then A ∪ B is equal to what?Class 10SetsSets and their representationsLevel 10Easy MathematicsIf A = {x : x is a positive divisor of 60 and x is also a divisor of 15}, what is A?Class 10SetsSets and their representationsLevel 8Medium MathematicsIf A = {x : x is a positive perfect square less than 25}, which option is equal to A?Class 10SetsSets and their representationsLevel 8Easy MathematicsIf A = {x : x is odd and x is a positive divisor of 18}, which set equals A?Class 10SetsSets and their representationsLevel 7Easy MathematicsIf A = {∅, 1}, which statement is true?Class 10SetsSets and their representationsLevel 9Medium