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Prime Numbers

Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf \(U=\{x:x\in\mathbb N, x\le 50\}\) and \(A=\{x:x\text{ is not a prime number}\}\), then \(A'\) is the set of what?Class 12SetsLevel 21Easy MathematicsIf A = {x ∈ ℕ : x is an even prime greater than 2}, what is A?Class 12SetsLevel 5Medium MathematicsWhat is the roster form of H₁ = {x : x ∈ ℕ, 5 ≤ x ≤ 15, x is composite}?Class 12SetsLevel 3Easy 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}), (aRb) holds when (a) and (b) are both prime or both not prime. What is the equivalence class of (4)?Class 12Relations and FunctionsEquivalence relationLevel 17Medium MathematicsOn (A={1,2,3,4,5}), (R={(a,b):a) and (b) are both prime numbers(}). Is this relation transitive?Class 12Relations and FunctionsTransitive relationLevel 15Expert MathematicsOn (A={1,2,3,4,5}), (R={(a,b):a\text{ and }b\text{ are both prime}}). Is (R) symmetric?Class 12Relations and FunctionsSymmetric relationLevel 12Medium MathematicsOn (A={1,2,3,4,5}), (aRb) if and only if (a=b) or both numbers are prime. What type of relation is it?Class 12Relations and FunctionsTypes of relationsLevel 6Expert MathematicsOn (A={1,2,3,4}), (aRb) if and only if both (a) and (b) are prime numbers. Choose the correct statement.Class 12Relations and FunctionsTypes of relationsLevel 5Hard