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Class 10 · Mathematics
→If, for a universal set \(U\), \(n(A)=15\) and \(n(A')=35\), what is \(n(U)\)?
Class 10 · Mathematics
→If \(n(U)=50\) and \(n(A')=22\), find \(n(A)\).
Class 10 · Mathematics
→If \(n(U)=30\) and \(n(A)=18\), what is the value of \(n(A')\)?
Class 10 · Mathematics
→If \(U=\{1,2,3,4,5,6,7,8,9,10,11,12\}\) and \(A=\{3,6,9,12\}\), how many elements does \(A'\) contain?
Class 10 · Mathematics
→If \(U=\{1,2,3,4,5,6,7,8,9,10\}\) and \(A=\{x:x\in U,\ x\ge 7\}\), what is \(A'\)?
Class 10 · Mathematics
→If \(U=\{1,2,3,4,5,6,7,8,9\}\) and \(A=\{x:x\in U,\ x<5\}\), what is \(A'\)?
Class 10 · Mathematics
→If \(U=\{1,2,3,4,5,6,7,8\}\) and \(A=\{x:x\in U,\ x\text{ is even}\}\), which set is \(A'\)?
Class 10 · Mathematics
→If \(U=\{a,e,i,o,u\}\) and \(V'=\{e,o\}\), what is \(V\)?
Class 10 · Mathematics
→If \(U=\{1,2,3,4,5,6,7\}\) and \(A'=\{2,4,6\}\), what is \(A\)?
Class 10 · Mathematics
→With respect to the universal set \(U\), for a set \(A\), what is \((A')'\) equal to?
Class 10 · Mathematics
→If U = {p, q, r} and A = ∅, what is A′, the complement of A with respect to U?
Class 10 · Mathematics
→If U = {x ∈ ℤ : −2 ≤ x ≤ 2} and A = {−1, 0, 1}, find A′, the complement of A with respect to U.
Class 10 · Mathematics
→If U = {x : x ∈ N, x ≤ 6} and A = {1, 2, 3}, what is A′?
Class 10 · Mathematics
→If U = {2, 4, 6, 8, 10} and A = {4, 8}, which one is A′?
Class 10 · Mathematics
→If U = {a, b, c, d} and B = {b, d}, find B′.
Class 10 · Mathematics
→If the universal set U = {1, 2, 3, 4, 5} and A = {1, 3, 5}, what is the complement of A, denoted by A′?
Class 10 · Mathematics
→If A = [−3, 4], B = (−1, 6), and C = [2, 8], what is A ∩ (B \ C)?
Class 10 · Mathematics
→If A ∪ B = A △ B, where A △ B = (A \ B) ∪ (B \ A), which conclusion must be true?
Class 10 · Mathematics
→If A = {x : x ∈ N, x ≤ 60, 4 divides x} and B = {x : x ∈ N, x ≤ 60, 6 divides x}, what is |A \ B|?
Class 10 · Mathematics
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