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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 set with four elements, how many relations are not reflexive?Class 12Relations and FunctionsReflexive relationExpertMathematicsIf (A\ne\varnothing), why is the empty relation (R=\varnothing) on (A) not reflexive?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3}), (R={(a,b):a+b\equiv 1 \pmod{2}}). What is (R)?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3}), (R={(a,b):a^2<b^2}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationMediumMathematicsIf in an arrow diagram for (A={1,2,3}), only (1) and (2) have arrows to themselves, but (3) does not, what is the relation?Class 12Relations and FunctionsReflexive relationMediumMathematicsWhich relation on (A={1,2,3}) is non-empty but not reflexive?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3,4}), (R={(a,b):a=b+1}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3}), (R={(1,1),(3,3),(1,2),(2,3),(3,1)}). Which statement about (R) is correct?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3}), (R={(a,b):a+b\le 4}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3}), (R={(a,b):|a-b|=1}). Which statement is correct about (R)?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). What is the correct conclusion?Class 12Relations and FunctionsReflexive relationMediumMathematicsOn (A={1,2,3}), (R={(a,b):a\ne b}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasyMathematicsIf a relation is not reflexive, what is the most direct possible reason?Class 12Relations and FunctionsReflexive relationEasyMathematicsOn (A={1,2,3}), (R={(a,b):a+b=4}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasyMathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasyMathematicsOn (A={1,2,3}), (R={(a,b):a<b}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasyMathematicsWhy is (R={(1,1),(2,2),(1,3),(3,1)}) not reflexive on (A={1,2,3})?Class 12Relations and FunctionsReflexive relationEasyMathematicsOn the set (A={a,b,c}), which relation is not reflexive?Class 12Relations and FunctionsTypes of relationsMedium

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