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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 A ∩ B = B, which statement about A \ B is not definitely true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf n(A \ B) = 12, n(B \ A) = 9, and n(A ∩ B) = 6, what is the value of n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf (A \ B = {2, 5}), (B \ A = {7}), and (A ∩ B = {1, 3}), then what is (A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A ∩ B = ∅, n(A) = 21, and n(B) = 17, what is the value of n(A ∪ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf A = {1, 3, 5, 7, 9}, B = {3, 6, 9}, and C = {1, 2, 3, 4}, what is (A ∪ B) \ C?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A = {1, 2, 3, 4, 5}, B = {2, 4, 6}, and C = {1, 4, 7}, what is A ∩ (B ∪ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Easy MathematicsIf A = {x ∈ R : −1 < x ≤ 5} and B = {x ∈ R : 2 ≤ x < 7}, then what is A \ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A = {x ∈ R : x² ≤ 16} and B = {x ∈ R : x > 1}, what is the interval form of A ∩ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A = {x ∈ R | x² − 5x + 6 = 0} and B = {x ∈ R | x² − 4x + 3 = 0}, what is A ∩ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf U = {1, 2, ..., 30}, A = {x : x ∈ U, 2 divides x}, and B = {x : x ∈ U, 5 divides x}, then what is n(A \ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIn a survey of 90 people, 52 like tea, 47 like coffee, and 19 like both tea and coffee. How many people like neither tea nor coffee?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIn a class of 64 students, 38 study Mathematics, 32 study Physics, and 20 study both subjects. How many students study exactly one subject?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf α and β are roots of x² + 3x − 18 = 0, what is αβ − α − β?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 29Hard MathematicsIf x = 1 is not a root of kx² − 5x + 2 = 0, what condition must k satisfy?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 29Hard MathematicsIn which option will the given equation not remain quadratic?Class 10Quadratic EquationsIntroduction to Quadratic EquationsLevel 29Hard MathematicsIf one root of x² + ax + 12 = 0 is 3, what are the other root and a?Class 10Quadratic EquationsNature of RootsLevel 29Hard MathematicsWhich equation has discriminant −15?Class 10Quadratic EquationsNature of RootsLevel 29Hard MathematicsIf (m² − 9)x² + 4x − 5 = 0 is a quadratic equation, what is the correct condition on m?Class 10Quadratic EquationsIntroduction to Quadratic EquationsLevel 29Hard MathematicsIf \(A=\{x\in\mathbb{Z}:-6\le x\le 6\}\) and \(B=\{x\in\mathbb{Z}:x^2<10\}\), what is \(A-B\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Medium MathematicsIf \(A=\{1,2,3,4,5,6\}\), \(B=\{2,4,6\}\), and \(C=\{1,3,5\}\), what is the value of \((A-B)\cap C\)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 17Medium