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  1. 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
    1. Only (i)
    2. Only (ii)
    3. Either (i) or (ii)
    4. both (i) and (ii)
    5. None of these
Correct Option: D

Without knowing the gender of C, we can’t be determined whether B is sister of C or B is brother of C. Similarly without knowing the gender 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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