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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 \(A=\{1,2,3\}\) and \(B=\{1,2,3,4,5\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(y-x\ge2\)?

Class 10 · Mathematics

If \(A=\{0,2,4\}\) and \(B=\{1,3,5\}\), how many ordered pairs in \(A\times B\) have the second coordinate exactly 1 greater than the first coordinate?

Class 10 · Mathematics

If \(A=\{1,2,3,4\}\) and \(B=\{1,2,3,4\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(x+y\leq 5\)?

Class 10 · Mathematics

If \(A=\{1,2,3\}\) and \(B=\{1,2,3,4\}\), how many ordered pairs in \(A\times B\) have the first coordinate greater than the second coordinate?

Class 10 · Mathematics

If \(A=\{1,2,4,8\}\) and \(B=\{2,4,8,16\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(y=2x\)?

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 A = {1, 3, 5} and B = {2, 4, 6, 8}, how many ordered pairs (x, y) in A × B satisfy x + y > 9?

Class 10 · Mathematics

If A = {-1, 0, 1, 2} and B = {0, 1, 2}, how many ordered pairs (x, y) in A × B satisfy x + y = 1?

Class 10 · Mathematics

If (2x - 1, y + 3) = (5, 10), what are the values of x and y?

Class 10 · Mathematics

If A = {1, 2, 3, 4, 5} and B = {1, 2, 3, 4, 5}, how many ordered pairs (a, b) in A × B satisfy a² - b² = 0?

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 the universal set is U = ℝ and A = (-∞, -1] ∪ [6, ∞), what is (A′)′?

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 n(U) = 75, n(A) = 28, n(B) = 35, and n(A ∪ B) = 50, what is n((A' ∩ B')')?

Class 10 · Mathematics

If the universal set is U = ℝ and A = {x ∈ ℝ : x² = 4}, what is A'?