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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।

MathematicsIf A = {1, 2, 3}, B = {1, 2, 3, 4}, and C = {1, 2, 3, 4}, which statement is true?Class 12SetsLevel 8Easy MathematicsIf \(A=\{2,4,6\}\) and \(B=\{1,2,4,6,8\}\), which of the following is true?Class 12SetsLevel 9Easy MathematicsIf A = {2, 4, 6} and B = {2, 4, 6, 8}, which statement is correct?Class 12SetsLevel 7Medium MathematicsOn sets, (A,R,B) if (A\subset B), where (A) is a proper subset. What type of relation is (R)?Class 12Relations and FunctionsTransitive relationLevel 14Hard MathematicsOn (A={\varnothing,{1},{2},{1,2}}), (R={(X,Y):X\subset Y\text{ or }X=Y}). What is (R) with respect to reflexivity?Class 12Relations and FunctionsReflexive relationLevel 8Expert MathematicsOn (A={{1},{2},{1,2}}), (XRY) if (X\subset Y). What is (R) with respect to reflexivity?Class 12Relations and FunctionsReflexive relationLevel 7Expert MathematicsOn the power set of (S={1,2,3}), (XRY) when (X\subset Y). How many pairs must be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7Hard MathematicsOn (P(A)), (R={(X,Y):X \subset Y}), where (\subset) denotes proper subset. Which statement is correct about (R)?Class 12Relations and FunctionsReflexive relationLevel 8Hard MathematicsOn a family of sets, (R) is defined by (XRY) when (X\subset Y). Why is this relation not reflexive?Class 12Relations and FunctionsReflexive relationLevel 7Medium