In a certain code language,
'A + B' means 'A is the sister of B'
'A – B' means 'A is the brother of B'
'A × B' means 'A is the wife of B'
'A ÷ B' means 'A is the father of B'.
Based on the above, how is M related to Q if 'M ÷ N × O − P + Q'?

'M ÷ N × O − P + Q' 

The family diagram of the above is given below as -

From the above family diagram M is Brother's Wife's Father of Q.

Correct answer is (c) ​Brother's Wife's Father.