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Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsOn (A={1,2,3}), (R) is reflexive. Which statement is not necessary?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn real numbers, (R={(a,b):a-b=0}). What is (R)?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn any set (A), (R={(a,b):a\ne b}). Why is (R) not reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(a,b):a \le b}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsIf (R) is reflexive and (a \in A), which statement is always true?Class 12Relations and FunctionsReflexive relationEasy MathematicsIf (A) has (n) elements, how many total pairs are in (A \times A)?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(1,1),(2,2),(3,3),(2,1),(1,3)}). What is the correct conclusion for (R)?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3,4}), (R={(a,a):a \in A}). What can (R) be called?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2}), how many minimum pairs are needed for a relation to be reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn a non-empty set (A), what kind of relation is the universal relation (A \times A)?Class 12Relations and FunctionsReflexive relationEasy MathematicsWhat is the correct identification of a reflexive relation?Class 12Relations and FunctionsReflexive relationEasy MathematicsWhich relation on (A={1,2,3,4}) can have exactly two equivalence classes?Class 12Relations and FunctionsTypes of relationsExpert MathematicsWhich relation on (A={1,2,3}) is symmetric and transitive but not reflexive?Class 12Relations and FunctionsTypes of relationsHard MathematicsWhich relation on (A={1,2,3,4}) is transitive but not reflexive?Class 12Relations and FunctionsTypes of relationsHard MathematicsWhich relation on (A={1,2,3,4}) is reflexive only, but neither symmetric nor transitive?Class 12Relations and FunctionsTypes of relationsHard MathematicsWhich of the following relations on (A={1,2,3}) is an equivalence relation?Class 12Relations and FunctionsTypes of relationsHard MathematicsIf (A) has (5) elements, what is the number of reflexive relations on (A)?Class 12Relations and FunctionsTypes of relationsMedium MathematicsWhat can be said about the intersection of two transitive relations?Class 12Relations and FunctionsTypes of relationsMedium MathematicsIf (R) is reflexive and (S) is reflexive, what type is (R\cup S)?Class 12Relations and FunctionsTypes of relationsMedium MathematicsIf relation (R) is antisymmetric and (a\ne b), which situation is impossible?Class 12Relations and FunctionsTypes of relationsMedium