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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।

MathematicsLet U = {1, 2, ..., 50}, A = {x ∈ U | 2 divides x}, and B = {x ∈ U | 5 divides x}. How many elements are in A \ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A ∩ B ⊆ A \ C, which statement must be true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Hard MathematicsIn which situation can A \ B = A ∩ B be true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Hard MathematicsIf A = {x ∈ R | x² − 9 = 0} and B = {x ∈ R | x² − 6x + 9 = 0}, what is A ∪ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A and B are finite sets, |A ∪ B| = 65, |A ∩ B| = 18, and |A| = 39, what is |B \ A|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsUsing (A \ B) ∪ (A ∩ B) = A, how are these two parts of A related?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A = {1, 2, 3, 4, 5, 6}, B = {2, 4, 6, 8}, and C = {1, 4, 6, 9}, what is A \ (B ∩ C)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A \ (B ∩ C) = ∅, which statement must be true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A ∩ B = B ∩ C = C ∩ A = ∅, |A| = 9, |B| = 11, and |C| = 13, what is |A ∪ B ∪ C|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf A = {x ∈ N : x ≤ 40 and x is a perfect square} and B = {x ∈ N : x ≤ 40 and x is even}, where N denotes the positive natural numbers, what is A ∩ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A ∪ B = A and A \ B = ∅, which conclusion is correct?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Medium MathematicsIf A △ B = (A \ B) ∪ (B \ A), |A △ B| = 34, and |A ∪ B| = 51, what is |A ∩ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Hard MathematicsIf A ∩ (B ∪ C) = A, which conclusion must be true?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Hard MathematicsIf |A \ B| = 17, |B \ A| = 23, and |A ∩ B| = 14, what is |A ∪ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf A ∪ B = U, A ∩ B = C, and C ⊆ A, then A \ B is equal to which set?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Hard MathematicsIf A = [-4, 6) and B = (-1, 8], what is A \ B?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf U = {1, 2, ..., 84}, A = {x ∈ U : 7 divides x}, and B = {x ∈ U : 12 divides x}, what is |A ∪ B|?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 18Medium MathematicsIf α and β are roots of x² − 6x − 27 = 0, what is αβ + 3α + 3β?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 28Medium MathematicsIf the roots of a monic quadratic equation are r and 3r, and their sum is 16, what is the constant term?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 28Medium MathematicsIf one root of x² + ax + 24 = 0 is 4, what are the other root and a?Class 10Quadratic EquationsRoots of a Quadratic EquationLevel 28Medium