| A is the brother of B. A is the brother of C. To find what is the relation between B and C. What minimum information from the following is necessary? |
| (i) Gender of C |
| (ii) Gender of B |
A) Only (i)
B) Only (ii)
C) Either (i) or (ii)
D) both (i) and (ii)
Correct Answer: D
Solution :
[d] Without knowing the sex of C, we can't be determined whether B is sister of C or B is brother of C. Similarly without knowing the sex of B we can't be determined whether C is sister of B or C is brother of B. Therefore, both (i) and (ii) are necessary.
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