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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।

MathematicsThe set E₁ = {x : x ∈ ℕ, x = 30/n, n ∈ ℕ} is equal to which set?Class 12SetsLevel 3Medium MathematicsIf D₁ = {x : x ∈ ℤ, 2 < x² ≤ 16}, what is the roster form of D₁?Class 12SetsLevel 3Medium MathematicsWhat is the correct roster form of A₁ = {x : x ∈ ℕ, x² − 1 = 0}?Class 12SetsLevel 3Medium MathematicsWhich option is not an example of a well-defined set?Class 12SetsLevel 3Easy MathematicsWhich set best represents N = {2, 4, 8, 16, 32}?Class 12SetsLevel 3Easy MathematicsWhich is the correct roster form of B = {x : x is a prime divisor of 84}?Class 12SetsLevel 2Easy MathematicsWhich is the roster form of F₁ = {x : x is a positive multiple of 3 or 5, and x < 20}?Class 12SetsLevel 2Easy MathematicsIf Q = {x : x is a digit and x is prime}, which is the roster form of Q?Class 12SetsLevel 2Easy MathematicsOn (A={1,2,3,4,5,6}), (R={(a,b):a\mid b\text{ and }a\ne b}). What is the nature of this relation?Class 12Relations and FunctionsTransitive relationLevel 15Expert MathematicsOn (A={1,2,3,6,9,18}), (aRb) is defined when (a) divides (b). Which statement is correct?Class 12Relations and FunctionsTransitive relationLevel 15Expert MathematicsOn (A={1,2,3,4,6,12}), (aRb) is defined when (a) divides (b). What is the nature of this relation?Class 12Relations and FunctionsTransitive relationLevel 14Expert MathematicsOn a family of sets, (A,R,B) if (A\supseteq B). What type of relation is this?Class 12Relations and FunctionsTransitive relationLevel 14Hard MathematicsOn a family of sets, (A,R,B) if (A\subseteq B). What type of relation is (R)?Class 12Relations and FunctionsTransitive relationLevel 13Hard MathematicsOn a collection of sets, relation (R) is defined by (A,R,B) if (A\subseteq B). What is this relation?Class 12Relations and FunctionsTransitive relationLevel 13Easy MathematicsOn (A={1,2,3}), (R={(1,2),(2,1)}) and (S={(2,3),(3,2)}). What is (R\cup S)?Class 12Relations and FunctionsSymmetric relationLevel 12Expert MathematicsOn (A={1,2,3}), (R={(1,1),(2,2),(3,3),(1,2),(2,1),(1,3)}). Which pair should be added to make (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Expert 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 (A={{1},{2},{1,2}}), relation (R) is defined by (XRY) if (X\subseteq Y). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationLevel 7Expert MathematicsLet A = {1, 2, 3} and R = {(a, b) : a divides b}. Is R reflexive on A?Class 12Relations and FunctionsReflexive relationLevel 9Easy MathematicsOn A={1,2}, which property is satisfied by R={(1,1),(1,2),(2,1)}?Class 12Relations and FunctionsTypes of relationsLevel 6Easy