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Class 10 Mcq

Class 10 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf U = {1, 2, …, 90}, A = {x ∈ U : 6 divides x}, and B = {x ∈ U : 10 divides x}, what is n((A ∩ B)')?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is U = ℝ, A = (−3, ∞), and B = (−∞, 5], what is (A ∩ B)'?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set U = {p, q, r, s, t, u, v}, A' = {q, s, u}, and B = {p, q, t, v}, what is A ∩ B?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {x : x ∈ ℕ, x ≤ 40}, A = {x ∈ U : x is even}, and B = {x ∈ U : x is a square number}, what is n(A′ ∩ B′)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf U = {1, 2, ..., 18}, A = {2, 4, 6, 8, 10, 12, 14, 16, 18}, and B = {3, 6, 9, 12, 15, 18}, what is A′ ∪ B′?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf the universal set is U = ℝ and A = {x ∈ ℝ : x² − 6x + 8 > 0}, what is A′?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 70}, A = {x ∈ U : 2 divides x}, and B = {x ∈ U : 7 divides x}, what is n((A − B)′)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 25} and A = {x ∈ U : 5 is a divisor of x}, how many prime numbers are in A′?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf, with respect to a universal set, a set A satisfies A = A′, which statement about A is correct?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 16}, A = {x ∈ U : x is a square number}, and B = {x ∈ U : x is odd}, what is A′ ∩ B?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf U = ℝ, A = [−5, 1), and B = (3, 8], what is (A ∪ B)′?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 45}, A = {x ∈ U : 3 divides x}, and B = {x ∈ U : 5 divides x}, what is n(A′ ∪ B′)?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {a, b, c, d, e, f, g, h}, A = {a, d, g}, and B = {b, d, e, h}, what is A′ ∩ B′?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsLet U = {1, 2, …, 30}, A = {x ∈ U : x is even}, and B = {x ∈ U : x is prime}. What is A′ ∩ B?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf A ⊆ B ⊆ U, n(U) = 150, n(A) = 64, and n(B) = 97, what is n(A′ ∩ B)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsIf U = ℝ and A = (−∞, −4] ∪ (2, 6), what is A′, the complement of A in ℝ?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {x : x ∈ Z, -10 ≤ x ≤ 10} and A = {x : x ∈ U, x² ≤ 16}, what is n(A′)?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsLet U = {1, 2, 3, …, 60}. If A = {x ∈ U : 4 divides x} and B = {x ∈ U : 9 divides x}, how many elements are in the complement of A ∪ B with respect to U?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf (\alpha,\beta) are roots of (x^2-6x+8=0), what is ((\alpha-2)(\beta-2))?Class 10Quadratic EquationsRoots of a Quadratic EquationHard MathematicsIf the quadratic equation (k − 2)x² + 4x + 1 = 0 has equal roots, what is the value of k?Class 10Quadratic EquationsRoots of a Quadratic EquationHard