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Multiple Choice Questions

A married couple adopted a male child A few years later twin boys were born to them The blood group ...........

Analytical Ability and Logical Resoning (UPPCS) Puzzle Test

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 +ve and O -ve. The blood group of the three sons is A+ve, B+ve and O+ve. The blood group of adopted son is:

O +ve

B +ve

A +ve

Can’t say

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Explanation:

The blood group of the parents are AB and O, the child's blood group may be A or B and since the boy is adopted and it is given in the question that the blood group of the three sons are A+, B+, O+

Hence, option 4 is the correct answer.

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