A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB+ and O-. The blood groups of the three sons is A+, B+ and o-. The blood group of the adopted son is

Options :
  1. o+
  2. A+
  3. B+
  4. can not be determined on the basis of the given data

Answer and Explanation :-

Answer: Option 4


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I said to my soul, be still and wait without hope, for hope would be hope for the wrong thing wait without love, for love would be love of the wrong thing there is yet faith, but the faith and the love are all in the waiting. Wait without thought, for you are not ready for thought: So the darkness shall be the light, and the stillness the dancing.
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