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Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf \(A=\{1,2,3\}\) and \(B=\{4,5\}\), what is any subset of \(A\times B\) called?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf A={1,2,3,4} and R={(a,b)∈A×A : a=b}, how many ordered pairs does R contain?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf a relation \(R=\{(x,x)\mid x\in A\}\) is defined on a set \(A\), what is \(R\) called?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsWhich of the following is the universal relation on the set \(A=\{1,2\}\)?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsWhich statement is correct about the empty relation on (A={1,2,3})?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsHow many relations in total can be defined on the set \(A=\{1,2\}\)?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsThe set (A) has (4) elements. How many reflexive relations are there on (A)?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf R is transitive and (1, 4) ∈ R, (4, 7) ∈ R, which ordered pair must belong to R?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf the relation \(R\) is symmetric and \((5,8)\in R\), which of the following statements must be true?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf (A={1,2,3}) and (R={(1,2),(2,3)}), what is (R^{-1})?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf R = {(a, b) : a, b ∈ {1, 2, 3, 4}, a < b}, what is the range of R?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf R = {(x, y) : x, y ∈ {1, 2, 3, 4} and x + y = 5}, how many ordered pairs are in R?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsIf (A={1,2,3,4}) and (aRb) means (a) divides (b), which ordered pair will not be in (R)?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsOn (A={1,2,3,4,5}), if (aRb) when (a-b) is even, what type of relation is (R)?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsOn A={1,2,3,4}, if aRb means a≤b, which property must this relation have?Class 11Relations and FunctionsRelations that are reflexive and symmetricLevel 25Medium MathematicsOn A={1,2,3}, what type is R={(1,1),(2,2),(3,3),(1,2),(2,1)}?Class 11Relations and FunctionsRelations that are reflexive and symmetricLevel 25Medium MathematicsIf (R={(1,2),(2,3),(1,3),(2,2),(3,3)}), which pair is most important while checking transitivity?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsOn (A={1,2,3}), what is the correct property of (R={(1,2),(2,1),(2,3),(3,2)})?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsWhy is the relation \(R=\{(1,1),(2,2),(1,2),(2,1)\}\) on the set \(A=\{1,2,3\}\) not reflexive?Class 11Relations and FunctionsRelationsLevel 25Medium MathematicsOn A={1,2,3}, which type is the relation R={(1,1),(2,2),(3,3),(1,2)}?Class 11Relations and FunctionsRelations that are reflexive and symmetricLevel 25Medium