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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 (\alpha,\beta) are the roots of (x^2-7x+10=0), what is (\frac{\alpha+2}{\alpha-2}+\frac{\beta+2}{\beta-2})?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf (\alpha,\beta) are the roots of (x^2-8x+15=0), what is (\frac{\alpha+2}{\alpha-2}+\frac{\beta+2}{\beta-2})?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf the roots of x² + px + 12 = 0 are r and r + 1, what are the possible values of p?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf the roots of (kx^2-8x+k=0) are real and reciprocal, what is the correct condition on (k)?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf (\alpha,\beta) are the roots of (x^2-5x+2=0), what is (\frac{1}{\alpha^2}+\frac{1}{\beta^2})?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsWhich statement is always true for x^2-(a+4)x+4a=0?Class 10Quadratic EquationsRoots of a Quadratic EquationHard MathematicsIf the roots of (2x^2+mx+8=0) are in the ratio (1:2), what are the possible values of (m)?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf α and β are the roots of x² − 6x + 5 = 0, which equation has roots 3α − 2 and 3β − 2?Class 10Quadratic EquationsRoots of a Quadratic EquationHard MathematicsIf (x^2-2(k+2)x+k^2+5=0) has equal roots, what is the value of (k)?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf the difference between the roots of (3x^2-11x+p=0) is (\frac{5}{3}), what is the value of (p)?Class 10Quadratic EquationsRoots of a Quadratic EquationExpert MathematicsIf U = {x : x ∈ ℕ, x ≤ 84}, A = {x : x ∈ U, 6 divides x}, and B = {x : x ∈ U, 14 divides x}, what is n(A′ ∩ B′)?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsWhich of the following statements about the complements of two sets, relative to a universal set, is always true?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 27} and A = {x : x ∈ U, 3 divides x}, how many elements divisible by 2 are in A′?Class 10SetsComplement of a Set and Its PropertiesHard MathematicsIf U = ℝ and A = {x ∈ ℝ : x ≠ −2 and x ≠ 5}, what is A′?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U = {1, 2, ..., 24}, A = {x ∈ U | 4 divides x}, and B = {x ∈ U | 8 divides x}, what is B′ ∩ A?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf A⊆U, what is (A′∪A)′ equal to?Class 10SetsComplement of a Set and Its PropertiesEasy MathematicsLet U = {x ∈ ℤ | 1 ≤ x ≤ 30} and A = {x ∈ U | x ≡ 1 (mod 4)}. What is n(A′), the number of elements in the complement of A with respect to U?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U={1,2,…,18} and A is the set of primes in U, which set of multiples of 3 lies in A′?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsLet U = {1, 2, ..., 81} and A = {x ∈ U | x is a perfect square}. How many numbers divisible by 9 belong to A′?Class 10SetsComplement of a Set and Its PropertiesMedium MathematicsIf U=R, A=[1,∞), and B=(−∞,4), what is A′∪B′?Class 10SetsComplement of a Set and Its PropertiesMedium