Find the union of each of the following pairs of sets:
$X = \{1, 3, 5\}, Y = \{1, 2, 3\}$

  • A
    $\{1, 2, 3, 5\}$
  • B
    $\{1, 2, 3, 4\}$
  • C
    $\{1, 2, 5\}$
  • D
    $\{3, 5\}$

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