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Class 10 Mathematics के इस tag से जुड़े questions।
Class 10 · Mathematics
→Let U = ℝ, A = {x ∈ ℝ : (x - 2)(x + 5) ≤ 0}, and B = {x ∈ ℝ : |x - 1| < 3}. What is (A′ ∩ B)′?
Class 10 · Mathematics
→Let U = {x ∈ ℕ : x ≤ 120}, A = {x ∈ U : 8 divides x}, B = {x ∈ U : 15 divides x}, and C = {x ∈ U : 20 divides x}. What is n((A ∪ B ∪ C)′)?
Class 10 · Mathematics
→Let U = {x ∈ ℕ : x ≤ 90}, A = {x ∈ U : 10 divides x}, and B = {x ∈ U : 18 divides x}. What is n(A′ ∩ B′)?
Class 10 · Mathematics
→If U = {1, 2, ..., 81}, A = {x : x ∈ U, 3 divides x}, and B = {x : x ∈ U, 27 divides x}, how many elements are in B' ∩ A?
Class 10 · Mathematics
→If U = {1, 2, ..., 22}, A = {x : x ∈ U, x is even}, and B = {x : x ∈ U, x is a perfect square}, what is (A ∩ B)'?
Class 10 · Mathematics
→If the universal set is U = ℝ and A = {x ∈ ℝ : x² = 4}, what is A'?
Class 10 · Mathematics
→If U = {1, 2, ..., 54}, A = {x : x ∈ U and 6 divides x}, and B = {x : x ∈ U and 9 divides x}, what is n(A′ ∩ B)?
Class 10 · Mathematics
→For subsets A and B of a universal set U, if A' = B', which conclusion is necessarily true?
Class 10 · Mathematics
→If U = {1, 2, ..., 25} and A' = {4, 8, 12, 16, 20, 24}, how many elements of A are divisible by 4?
Class 10 · Mathematics
→With respect to the universal set U, which of the following De Morgan identities is true for every pair of sets A and B?
Class 10 · Mathematics
→If U = {1, 2, ..., 32} and A = {x : x ∈ U, x is even}, how many ordered pairs are in A' × A'?
Class 10 · Mathematics
→If \(U=\{x\in\mathbb{Z}:-3\le x\le 8\}\), \(A=\{x\in U:x+1\ge4\}\), and \(B=\{x\in U:x<6\}\), what is \(A'\cup B'\)?
Class 10 · Mathematics
→If \(U=\{1,2,\ldots,60\}\), \(A=\{x:x\in U,2\mid x\}\), and \(B=\{x:x\in U,3\mid x\}\), what is \(n(A'\cap B')\)?
Class 10 · Mathematics
→If the universal set is \(U=\mathbb{R}\) and \(A=\{x\in\mathbb{R}\mid x<3\text{ or }x\ge 8\}\), what is \(A'\)?
Class 10 · Mathematics
→If \(U=\{1,2,\ldots,27\}\), \(A=\{x\in U:3\mid x\}\), and \(B=\{x\in U:9\mid x\}\), what is \(A\cap B'\)?
Class 10 · Mathematics
→If the universal set is \(U=\mathbb{R}\), \(A=(-\infty,2]\), and \(B=[-1,\infty)\), what is \(A'\cap B'\)?
Class 10 · Mathematics
→If the universal set \(U=\{1,2,\ldots,16\}\), \(A=\{1,2,4,8,16\}\), and \(B=\{3,6,9,12,15\}\), what is the complement of \(A\cup B\) relative to \(U\)?
Class 10 · Mathematics
→If \(U=\{1,2,\ldots,35\}\), \(A=\{x\in U:5\mid x\}\), and \(B=\{x\in U:x\text{ is odd}\}\), what is \(B'\cap A\)?
Class 10 · Mathematics
→If the universal set is \(U=\mathbb{R}\), \(A=\{x\in\mathbb{R}:x\ne 0\}\), and \(B=\{x\in\mathbb{R}:x\ne 1\}\), what is \(A'\cup B'\)?
Class 10 · Mathematics
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