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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 \ B = B, which conclusion must be true?Class 12SetsLevel 18Hard MathematicsIf A = {0, 2, 4, 6} and B = {1, 3, 5}, what is A − B?Class 12SetsLevel 17Easy MathematicsIf A = {∅, {∅}, {{∅}}}, what is |𝒫(A)|?Class 12SetsLevel 10Hard MathematicsIf A = {x ∈ ℝ : |x| < 0}, what is A?Class 12SetsLevel 5Easy MathematicsWhat is the correct answer for A = {x ∈ Z : x² = 2}?Class 12SetsLevel 4Medium MathematicsIf A = {x ∈ ℤ : 2x + 1 is even}, what is A?Class 12SetsLevel 4Easy MathematicsIf A = {x ∈ ℕ : x is an even prime greater than 2}, what is A?Class 12SetsLevel 5Medium MathematicsIf (A={}) and (R={}), which statement about (R) is correct?Class 12Relations and FunctionsEquivalence relationLevel 17Easy MathematicsIf (A=\phi) and (R=\phi), which statement is correct about considering (R) reflexive on (A)?Class 12Relations and FunctionsReflexive relationLevel 9Hard MathematicsOn the empty set (A=\varnothing), the empty relation (R=\varnothing) is given. Which statement about reflexivity is correct?Class 12Relations and FunctionsReflexive relationLevel 8Hard MathematicsIf (A=\varnothing), which statement is correct about the empty relation on (A)?Class 12Relations and FunctionsReflexive relationLevel 9Medium MathematicsIf (A) is the empty set, what can be said about the empty relation on (A)?Class 12Relations and FunctionsTypes of relationsLevel 5Medium