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Odd Sum

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

MathematicsWhich option gives a relation that is not reflexive?Class 12Relations and FunctionsEquivalence relationMedium MathematicsOn integers, (aRb) holds when (a+b) is odd. Why is it not an equivalence relation?Class 12Relations and FunctionsEquivalence relationMedium MathematicsOn (A={1,2,3,4}), (aRb) when (a+b) is odd. Why is it not an equivalence relation?Class 12Relations and FunctionsEquivalence relationEasy MathematicsOn (A={1,2,3,4,5}), (R={(a,b):a+b\text{ is odd}}). Choose the correct counterexample.Class 12Relations and FunctionsTransitive relationExpert MathematicsOn (A={1,2,3,4,5}), (R={(a,b):a+b\text{ is odd}}). What is the nature of this relation?Class 12Relations and FunctionsTransitive relationExpert MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). This relation is not transitive. Which is the correct counterexample?Class 12Relations and FunctionsTransitive relationExpert MathematicsOn integers, (aRb) is defined when (a+b) is odd. Is this relation transitive?Class 12Relations and FunctionsTransitive relationExpert MathematicsOn (A={1,2,3,4,5}), (R={(a,b):a<b\text{ and }a+b\text{ is odd}}). Which statement about (R) is correct?Class 12Relations and FunctionsTransitive relationHard MathematicsIf (R={(a,b):a,b\in\mathbb{Z}\text{ and }a+b\text{ is odd}}), what type of relation is (R)?Class 12Relations and FunctionsTransitive relationHard MathematicsOn integers, (aRb) if (a+b) is odd. Is (R) transitive?Class 12Relations and FunctionsTransitive relationMedium MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). Is (R) symmetric?Class 12Relations and FunctionsSymmetric relationExpert MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). How many ordered pairs are in (R)?Class 12Relations and FunctionsSymmetric relationHard MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). What can be said about (R)?Class 12Relations and FunctionsSymmetric relationMedium MathematicsOn (A={1,2,3,4}), in the relation (R={(a,b):a+b\text{ is odd}}), which pair must occur with ((1,2))?Class 12Relations and FunctionsSymmetric relationMedium MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). What is the correct conclusion about (R)?Class 12Relations and FunctionsReflexive relationHard MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). What is the correct conclusion?Class 12Relations and FunctionsReflexive relationMedium MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b) is odd(}). What type of pairs must be added to make it reflexive?Class 12Relations and FunctionsReflexive relationMedium MathematicsOn integers, (R={(a,b):a+b) is odd(}). Why is (R) not reflexive?Class 12Relations and FunctionsReflexive relationMedium MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is odd}}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationEasy