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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।

MathematicsWhat is obtained by factoring 3x² − 12x = 0?Class 10Quadratic EquationsMethods of Solving Quadratic EquationsLevel 34Easy MathematicsIn the middle-term splitting method for 2x² + 7x + 3 = 0, what is the value of ac?Class 10Quadratic EquationsMethods of Solving Quadratic EquationsLevel 34Easy MathematicsBefore applying the quadratic formula to 3x²+5x−2=0, what are a, b, and c?Class 10Quadratic EquationsMethods of Solving Quadratic EquationsLevel 34Easy MathematicsUsing the zero-product rule, what are the solutions of x(x−4)=0?Class 10Quadratic EquationsMethods of Solving Quadratic EquationsLevel 34Easy MathematicsIf the roots of 7x² − 6x + λ = 0 are not real, what is the correct condition on λ?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 33Medium MathematicsWhich statement is always correct about x² − (a + 8)x + 8a = 0?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 33Medium MathematicsIf one root of 2x² − (3p + 2)x + p(p + 2) = 0 is p, what will be the other root?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 32Medium MathematicsIf the roots of 5x^2-4x+λ=0 are not real, what is the correct condition on λ?Class 10Quadratic EquationsNature of RootsLevel 32Hard MathematicsWhich statement is always true for x^2-(a+6)x+6a=0?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 32Hard MathematicsLet U = ℝ, A = {x ∈ ℝ : (x - 2)(x + 5) ≤ 0}, and B = {x ∈ ℝ : |x - 1| < 3}. What is (A′ ∩ B)′?Class 10SetsComplement of a Set and Its PropertiesLevel 21Hard MathematicsLet U = {x ∈ ℕ : x ≤ 120}, A = {x ∈ U : 8 divides x}, B = {x ∈ U : 15 divides x}, and C = {x ∈ U : 20 divides x}. What is n((A ∪ B ∪ C)′)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Hard MathematicsLet U = {x ∈ ℕ : x ≤ 90}, A = {x ∈ U : 10 divides x}, and B = {x ∈ U : 18 divides x}. What is n(A′ ∩ B′)?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf the universal set is U = ℝ and A = (-∞, -1] ∪ [6, ∞), what is (A′)′?Class 10SetsComplement of a Set and Its PropertiesLevel 21Easy MathematicsIf U = {1, 2, ..., 81}, A = {x : x ∈ U, 3 divides x}, and B = {x : x ∈ U, 27 divides x}, how many elements are in B' ∩ A?Class 10SetsComplement of a Set and Its PropertiesLevel 21Hard MathematicsIf U = {1, 2, ..., 22}, A = {x : x ∈ U, x is even}, and B = {x : x ∈ U, x is a perfect square}, what is (A ∩ B)'?Class 10SetsComplement of a Set and Its PropertiesLevel 21Hard MathematicsIf n(U) = 75, n(A) = 28, n(B) = 35, and n(A ∪ B) = 50, what is n((A' ∩ B')')?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf the universal set is U = ℝ and A = {x ∈ ℝ : x² = 4}, what is A'?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {1, 2, ..., 54}, A = {x : x ∈ U and 6 divides x}, and B = {x : x ∈ U and 9 divides x}, what is n(A′ ∩ B)?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsFor subsets A and B of a universal set U, if A' = B', which conclusion is necessarily true?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium MathematicsIf U = {1, 2, ..., 25} and A' = {4, 8, 12, 16, 20, 24}, how many elements of A are divisible by 4?Class 10SetsComplement of a Set and Its PropertiesLevel 21Medium