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The Empty Set
Class 10 Mathematics के इस tag से जुड़े questions।
Class 10 · Mathematics
→If \(A=\{-2,-1,0,1,2\}\) and \(B=\{-1,0,1\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(x+y=0\)?
Class 10 · Mathematics
→If \(A=\{0,1,2\}\) and \(B=\{-1,0,1\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(x^2+y^2=1\)?
Class 10 · Mathematics
→If A = {1, 2, 3, 4, 5} and B = {1, 2, 3}, how many ordered pairs (x, y) in A × B satisfy x = 2y - 1?
Class 10 · Mathematics
→If \(\mathcal{P}(A\cap B)=\{\varnothing\}\), what is \(A\cap B\)?
Class 10 · Mathematics
→Which expression is equal to A ∩ (B ∪ C)?
Class 10 · Mathematics
→If \(A=\{1,2,3,4\}\) and \(B=\{4,5,6\}\), what is \(n(A\cup B)\)?
Class 10 · Mathematics
→If \(A=\{1,2,3\}\) and \(B=\{3,2,1\}\), what is \(A\cap B\)?
Class 10 · Mathematics
→If n(U) = 180, n(A) = 109, and n(B) = 97, what is the minimum possible value of n(A ∪ B)?
Class 10 · Mathematics
→If n(A − B)=0 and n(A)>0, which relation between A and B is necessarily true in the Venn diagram?
Class 10 · Mathematics
→If n(U) = 60 and n(A ∪ B) = 45, how many elements are in (A ∪ B)'?
Class 10 · Mathematics
→If A ⊆ B and B ⊆ U, why is B′ ⊆ A′ true?
Class 10 · Mathematics
→If A = ∅ and the universal set is U, what is A' equal to?
Class 10 · Mathematics
→If \(A=\{\{2\},4,6\}\), what is \(n(A)\)?
Class 10 · Mathematics
→If A = {{1}, 2}, what is n(A)?
Class 10 · Mathematics
→If A = {2, 4, 6, 8} and B = {x : x = 2n, n ∈ {1, 2, 3, 4}}, which relation is correct?
Class 10 · Mathematics
→If ∅ ∈ A, which conclusion is always correct?
Class 10 · Mathematics
→If \(\{a+2\}=\{9\}\), what is the value of \(a\)?
Class 10 · Mathematics
→If \(A=\{x:x\in\mathbb{Z},\;-3<x\le 2\}\), which of the following sets is equal to \(A\)?
Class 10 · Mathematics
→If {a, 4} = {2, b} and a ≠ 4, which ordered pair (a, b) is correct?
Class 10 · Mathematics
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