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Self Pairs

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}, let R = {(a, b) : a + b = 4}. Why is R not reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Medium MathematicsIf (R) is a reflexive relation on (A={1,2,3}) with exactly 4 pairs, how many of those 4 pairs must be self-pairs?Class 12Relations and FunctionsReflexive relationLevel 7Medium 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 relationLevel 7Medium MathematicsIn a reflexive relation (R) on (A={1,2,3,4}), how many self-pairs will be there at minimum?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsIf (A={x,y,z}), which of the following relations is reflexive?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsTo make a relation (R) reflexive on (A={5,7}), what is the minimum set of pairs required?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsOn the set (A={a,b}), (R={(a,a),(a,b),(b,b)}) is given. What is (R)?Class 12Relations and FunctionsReflexive relationLevel 8Easy MathematicsWhat should be checked first while testing a reflexive relation?Class 12Relations and FunctionsReflexive relationLevel 7Easy MathematicsOn any set (A), (R={(a,b):a\ne b}). Why is (R) not reflexive?Class 12Relations and FunctionsReflexive relationLevel 7Easy MathematicsIf (R) is reflexive and (A={p,q}), which statement is correct?Class 12Relations and FunctionsReflexive relationLevel 7Easy MathematicsLet (A={1,2,3}) and (R={(1,1),(2,2),(3,3),(1,2)}). What type of relation is (R)?Class 12Relations and FunctionsReflexive relationLevel 7Easy MathematicsOn (A={1,2,3}), (R={(1,2),(2,1),(2,3),(3,2)}). Which self-pairs are forced in the transitive closure of (R)?Class 12Relations and FunctionsTypes of relationsLevel 5Expert MathematicsIf (R) consists only of self-pairs, which statement about (R) is correct?Class 12Relations and FunctionsTypes of relationsLevel 6Medium MathematicsIf (R) is transitive and ((1,2),(2,1)\in R), which pairs must be present?Class 12Relations and FunctionsTypes of relationsLevel 5Medium MathematicsIf (R={(1,2),(2,1)}), what must be added to make it reflexive on (A={1,2})?Class 12Relations and FunctionsIntroduction to RelationsLevel 2Medium MathematicsIf (R={(1,2),(2,1),(2,3),(3,2)}), why is it not reflexive on (A={1,2,3})?Class 12Relations and FunctionsIntroduction to RelationsLevel 2Medium MathematicsIf (A={1,2,3}), which is the identity relation on (A)?Class 12Relations and FunctionsIntroduction to RelationsLevel 2Medium MathematicsIf a relation contains only self-pairs, what is it commonly called?Class 12Relations and FunctionsIntroduction to RelationsLevel 3Easy MathematicsIs (R={(1,1),(2,2),(3,3),(1,2),(2,1)}) symmetric on (A={1,2,3})?Class 12Relations and FunctionsIntroduction to RelationsLevel 3Easy