Preference

প্রশ্নঃ U = {1, 2, 3, 4, 5, 6}, A = {2, 4, 6} হলে, B' = কত?

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