question_answer

If \[A\div B\]means 'A' is the father of 'B',\[A\times B\]  means 'A' is the mother of 'B',\[A+B\] means 'A' is the sister of 'B' and \[A-B\] means 'A' is grandfather of 'B', then which of the following would mean 'M' is the grandson of 'N' ?

A)  \[M-O+N\]                   

B)  \[N\times O\div M\]

C)  \[N\div O\div M\]          

D)  \[M\div O\div N\]

E)  None of these