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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 n(A) = 20, n(B) = 15, and n(A ∪ B) = 28, what is n(A ∩ B)?Class 10SetsOperations on Sets (Union, Intersection, Difference)Level 10Easy MathematicsIf n(A) = 12, n(B) = 9, and n(A ∩ B) = 4, what is n(A ∪ B)?Class 10SetsVenn DiagramsLevel 10Easy MathematicsIf U = {1,2,3,4,5,6,7,8} and A = {1,3,5,7}, how many elements of P(A′) contain only even numbers?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf n(P(A′)) = 64 and the universal set U has n(U) = 10, what is n(A)?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A ⊆ U, n(U) = 7, and n(P(A)) = 16, what is n(P(A′))?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf n(P(A)) = n(P(B)), which conclusion is definitely true?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf U = {x ∈ Z : −2 ≤ x ≤ 2} and A = {x ∈ U : x² = 1}, then what is n(P(A′))?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {∅, {1}}, then what is n(P(A))?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {1, 2, 3, 4, 5}, how many elements of P(A) have exactly 3 elements?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf |P(P(A))| = 256, what is the value of |A|?Class 10SetsPower Set and SubsetsLevel 10Hard MathematicsIf A = {1,2,3,4} and the universal set is U = {1,2,3,4,5,6}, what is the number of elements in P(A')?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A ⊆ U, |A| = 4, and |A'| = 5, what is |P(U)|?Class 10SetsPower Set and SubsetsLevel 10Medium MathematicsIf A = {1,2,3,4} and B = {3,4,5,6}, what is |P(A ∪ B)| − |P(A ∩ B)|?Class 10SetsPower Set and SubsetsLevel 9Medium MathematicsIf |A| = 5, how many members of the power set P(A) remain after excluding both A and the empty set?Class 10SetsPower Set and SubsetsLevel 9Easy MathematicsIf A = {1, 2, 3, 4}, how many members does the power set P(A) have, excluding A itself?Class 10SetsPower Set and SubsetsLevel 9Medium MathematicsIf A ⊆ U, |U| = 18, and |P(A′)| = 1024, what is |P(A)|?Class 10SetsPower Set and SubsetsLevel 9Medium MathematicsIf A ⊆ U, |A| = m, and |U| = 2m, when does |P(A)| = |P(A')| hold?Class 10SetsPower Set and SubsetsLevel 9Hard MathematicsIf A = {x ∈ Z : −2 ≤ x ≤ 3}, what is |P(A)|?Class 10SetsPower Set and SubsetsLevel 9Medium MathematicsIf |A| = 4, how many singleton members are there in P(P(A))?Class 10SetsPower Set and SubsetsLevel 9Medium MathematicsIf A = {1,2,3,4}, how many members of P(A) are singleton sets?Class 10SetsPower Set and SubsetsLevel 9Easy