P’s father is Q’s son. M is the paternal uncle of P and N is the brother of Q. How is N related to M?

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If ‘P $ Q’ means ‘P is the father of Q’,
‘P # Q’ means ‘P is the mother of Q’,
‘P * Q’ means ‘P is the sister of Q’,

Then how is D related to N in the given expression N # A $ B * D?

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If ‘P $\times$ Q’ means ‘P is the daughter of Q’,
‘P $+$ Q’ means ‘P is the father of Q’,
P $÷$Q means ‘P is the mother of Q’ and
‘P $-$ Q’ means ‘P is the brother of Q’,

In the expression 'A $÷$ B $+$ C $-$ E $\times$ F', how is A related to F?

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'P $-$ Q’ means ‘P is the mother of Q’,
‘P $\times$ Q’ means ’P is the father of Q’ and
‘P $+$ Q’ means ‘P is the daughter of Q’.

In the expression M $-$ N $\times$ T $+$ Z, then which of the following is not true?

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If, ‘P$÷$Q’ means ’P is the sister of Q’
‘P$\times$Q' means ‘P is the brother of Q’
‘P$-$Q' means ‘P is the mother of Q’
‘P$+$Q' means ‘P is the father of Q’

Then, which of the following means M is the maternal uncle of T?