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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।

MathematicsHow many pairs are there in the universal relation on a set with (n) elements?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3,4}), (R={(1,1),(2,2),(3,3),(4,4),(1,4)}). Choose the correct answer about (R).Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3}), (R={(a,b):a\ge b}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3,4}), (R={(a,b):a-b\text{ is even}}). Is (R) reflexive or not?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3}), (R={(1,1),(2,2),(3,3),(1,2),(2,3),(3,1)}). Why is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3}), (R={(1,1),(2,2),(3,3),(2,1)}). What is the effect of having ((2,1)) in (R)?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsWhich of the following statements is correct for a reflexive relation?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3,4}), (R) contains all ((1,1),(2,2),(3,3),(4,4)). Can (R) be called reflexive from this information alone?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsIf (A={10}), which relation on (A) is reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3}), (R={(a,b):a) divides (b}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3,4}), (R={(a,b):a+b\text{ is even}}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsThe relation (R={(a,b):a-b=0}) is given on a set of numbers. Why is it reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsIf (R) is reflexive on (A={p,q,r}), which pair is definitely in (R)?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={0,1}), (R={(0,0),(0,1),(1,0)}). Which pair should be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsA relation (R) on a set (A) is reflexive. What must be true for every (x\in A)?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3}), (R={(a,b):a\le b}) is given. Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,3,5}), (R={(a,b):a=b}). What type of relation is it?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn (A={1,2,3,4}), how many pairs must a reflexive relation have at minimum?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsChoose the correct statement about the empty relation on a non-empty set (A).Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsIf (A={2,4,6}) and (R={(2,2),(4,4)}), why is (R) not reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy