Doubt regarding the activity question

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Hirak Talukdar

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Oct 6, 2020, 3:42:16 AM10/6/20
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Can someone please explain me the answer?
How it is possible!!!!IITM qn 2.png

Venkatesan Shesha Srikanth

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Oct 6, 2020, 6:06:28 AM10/6/20
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Hi,
    In the question given, if Ramu is brother of Neha and Suraj is brother of Neha and Keerthi, then Ramu will also be brother of Keerthi.....right?
    Hope this gives an idea to solve the question.
Warm regards
srikanth venkatesan
IITM Online Degree Project
3rd floor, IC&SR building, IIT Madras.   
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