M is the brother of N. N is the brother of P. Q is the father of M. Based on these statements, which of the following statements cannot be definitely true?

M is the brother of N. N is the brother of P. Q is the father of M. Based on these statements, which of the following statements cannot be definitely true? Correct Answer P is the brother of M

Using the below table of symbols, we can draw the following family tree:

[ alt="F4 A.M Deepak 26.12.2019 D2" src="//storage.googleapis.com/tb-img/production/19/12/F4_A.M_Deepak_26.12.2019_D2.png" style="width: 208px; height: 280px;">

The family tree is shown below:

[ alt="F2 S.C Pallavi 16-Nov-2019 D 5" src="//storage.googleapis.com/tb-img/production/19/11/F2_S.C_Pallavi_16-Nov-2019_D%205.png" style="width: 147px; height: 86px;">

Here, the gender of P is not determined so we cannot say that P is the brother of M.

Hence, the statement "P is the brother of M" is not definitely true.

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