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Not Reflexive

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={(a,b):a=b+1}). Why is it not reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(a,b):a+b\text{ is odd}}). Is (R) reflexive or not?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(1,1),(2,3),(3,3)}). Which missing pair makes (R) not reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(a,b):a<b}). Is (R) reflexive or not?Class 12Relations and FunctionsReflexive relationEasy MathematicsIf (R) is not reflexive, which situation may occur?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3,4}), (R={(a,b):a \equiv 0 \pmod{2}}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(a,b):a+b\text{ is odd}}). Is (R) reflexive?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 integers, (R={(a,b):a-b\text{ is odd}}). Why is it not reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsOn (A={1,2,3}), (R={(a,b):a<b}). Why is (R) not reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsWhich relation on (A={1,2}) is not reflexive?Class 12Relations and FunctionsReflexive relationEasy MathematicsIf (A={1,2,3}), how many relations on (A) are not reflexive?Class 12Relations and FunctionsTypes of relationsExpert MathematicsOn real numbers, (aRb) if and only if (a-b\ge2). Choose the correct conclusion.Class 12Relations and FunctionsTypes of relationsExpert MathematicsOn real numbers, (aRb) if and only if (a-b=2). Choose the correct classification.Class 12Relations and FunctionsTypes of relationsExpert MathematicsIf (R) is symmetric and transitive, is (R) always reflexive? Choose the correct option.Class 12Relations and FunctionsTypes of relationsExpert MathematicsOn (A={1,2,3,4}), (aRb) if and only if both (a) and (b) are less than (4). Choose the correct classification.Class 12Relations and FunctionsTypes of relationsExpert MathematicsIf (A={1,2,3,4}), how many relations on (A) do not contain all self-pairs?Class 12Relations and FunctionsTypes of relationsExpert MathematicsOn (A={1,2,3,4,5}), (aRb) if and only if (a) is at least (2) less than (b). Choose the correct conclusion.Class 12Relations and FunctionsTypes of relationsExpert MathematicsOn (A={1,2,3,4}), (R={(1,2),(2,3),(1,3),(3,4),(2,4),(1,4)}). Choose the correct statement.Class 12Relations and FunctionsTypes of relationsExpert MathematicsOn real numbers, (aRb) if and only if (a^2+b^2=0). Choose the correct classification.Class 12Relations and FunctionsTypes of relationsExpert