UPSC Civil Services Exam Prelims GS solved paper 2011
Download free form the link attached IAS Prelims 2011 Question Paper with answers...

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
positive and O negative. The blood group of the three sons is A
positive, B positive , and O positive. The blood group of the adopted
son is ?
(a)O positive .
(b)A positive.
©B positive .
(d)Cannot be determined on the basis of the given data.

Answer: 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+". Correct Answer is O+

2. Regarding the international monetary fund, which one of the
following statements is correct ?
(a)    It can grant to any country.
(b)    It can grant loans  to only developed countries.
©    It grants loans to only member countries.
(d)    It can grant  loans to the central bank of a country.

Ans: C

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