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

MathematicsIf A = {m, n}, which of the following is not a subset of P(A)?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsLet U = {x : x ∈ N, x ≤ 12} and A = {x ∈ U : x is a multiple of 3}. How many elements does A' have?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {0, 1, 2, 3}, how many elements of P(A), that is, subsets of A, have sum 3?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsUnder which condition is P(A) ⊆ P(B) true?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf |U| = 20, |A| = 12, |B| = 9, and |A ∩ B| = 5, what is |(A ∪ B)'|?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf A = {1,2,3}, how many elements of P(A) contain 1?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A is an empty set, how many elements are in P(P(A))?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf the universal set is U = ℝ and A = {x : x² = 4}, what does A′ represent?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {1, {2}}, which must be in P(A)?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf U = {a,b,c,d,e}, A = {a,c,e}, and B = {b,c,d}, what is (A ∪ B)′?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf |A| = 4, how many elements of P(A) have at least 3 elements?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A ⊆ B and B ⊆ U, why is B′ ⊆ A′ true?Class 10SetsThe Empty Set, Finite and Infinite Sets, Equal SetsLevel 10Hard MathematicsIf P(A) = {∅, {p}, {q}, {p,q}}, what is A?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf U = {1,2,3,4,5,6,7,8,9,10} and A = {2,3,5,7}, what type of set is A′?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {a, b, c}, which of the following is NOT an element of P(A)?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A has 5 elements, how many elements of P(A) are singleton sets?Class 10SetsPower Set and SubsetsLevel 10Easy MathematicsLet U = {x ∈ Z | −3 ≤ x ≤ 4} and A = {x ∈ U | x² < 4}. How many elements are in the complement A′ of A with respect to U?Class 10SetsComplement of a Set and Its PropertiesLevel 10Medium MathematicsIf A = {∅, {1}, 2}, which of the following is an element of P(A)?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf U = {1, 2, 3, 4, 5, 6, 7, 8, 9} and A = {2, 4, 6, 8}, what is the complement A′ of A with respect to U?Class 10SetsComplement of a Set and Its PropertiesLevel 10Easy MathematicsIf |P(A)| = 128, what is the value of |A|?Class 10SetsPower Set and SubsetsLevel 10Medium