A) 4
B) 2
C) 5
D) 3
E) None of these
Correct Answer: D
Solution :
Explanation Option [d] is correct because it is clear from family tree that LB, TD and PK are the pairs of brother and sister in which B, T and P are females. Clearly, B, T and P are sisters. Rest of the options is incorrect because of the correctness of option [d].
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