Preference

প্রশ্নঃ x = {1, 2, 3}, y = {4, 5, 6} হলে, x ∩ y = কত?

  1. ক.
  2. খ.
    {2, 4}
  3. গ.
    {4, 5, 6}
  4. ঘ.
    {1, 2, 3}
উত্তরঃ
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