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Reflexive Relation

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

MathematicsOn (A={1,2,3,4,5}), a relation (R) contains all non-diagonal pairs but no diagonal pair. How many pairs must be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3,4}) and (R) is reflexive, what is the minimum possible number of ordered pairs in (R)?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIn how many ways can a reflexive relation with exactly (5) ordered pairs be formed on (A={1,2,3})?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3,4,5}), how many reflexive relations have exactly (9) ordered pairs?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={1,2,3,4}), how many reflexive relations have exactly (10) ordered pairs?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3,4}) and a relation (R) is reflexive with exactly (10) ordered pairs, how many pairs in (R) are other than the compulsory diagonal pairs?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn a set with four elements, how many relations are not reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsHow many reflexive relations are possible on a set (A) with three elements?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsA set (A) has (n) elements. How many relations on (A) are reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3}) and (R=A\times A-{(2,2)}), choose the correct statement.Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={1,2,3,4,5}), (R={(a,b):a+b\geq 2a}). What is the correct reason that (R) is reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3,4}) and (R={(a,b):a+b\leq 6}), how many diagonal pairs must be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={1,2,3,4,5}), (R={(a,b):|a-b|<0}). What is (R) with respect to reflexivity?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={1,2,3,4}), (R={(a,b):|a-b|\leq 1}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3}) and (R={(1,1),(2,2),(1,2),(2,3)}), which pair must be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={2,4,6,8}), (R={(a,b):a\text{ divides }b}) is given. Why is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={1,2,3,4}) and (R={(a,b):a\leq b}), what type of relation is (R) with respect to reflexivity?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={1,2,3,4}), (R={(a,b):a<b}). How many pairs must be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsIf (A={0,1,2,3}) and (R={(a,b):a^2=b^2}), which statement about (R) is correct?Class 12Relations and FunctionsReflexive relationLevel 7ExpertMathematicsOn (A={1,2,3,4,5}), (R={(a,b):a-b\text{ is divisible by }3}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7Expert