A) Only (i)
B) Only (ii)
C) Either (i) or (ii)
D) both (i) and (ii)
Correct Answer: D
Solution :
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.You need to login to perform this action.
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