A + B means ‘B is the daughter of A’,
A - B means ‘B is the sister of A’,
A × B means ‘B is the husband of A’,
A ÷ B means ‘A is the father of B’
If, `P ÷ R × T + Q - S × U + Z`, Then how is R related to Z?

Options

A. Paternal grandfather
B. Maternal grandfather
C. Maternal grandmother
D. Paternal grandmother

Answer

C