The given question is based on the following information:

‘M@N’ means M is the mother of N
‘M©N’ means M is the brother of N
‘M*N’ means M is the father of N
‘M#N’ means M is the sister of N

If Q © N @ P # R; then how ‘Q’ related to ‘R’?

‘M@N’ means M is the mother of N
‘M©N’ means M is the brother of N
‘M*N’ means M is the father of N
‘M#N’ means M is the sister of N

From the given information family diagram will be

If Q © N @ P # R;

 Q’ is ​Maternal uncle of ‘R’.

Thus, the correct option is (c).