A + B means ‘A is the husband of B’,
A – B means ‘B is the sister of A’,
`A xx B` means ‘A is the mother of B’,
`A:-B` means ‘B is the son of A’.
If `P + R xx T - Q :- S + U`, then how is P related to S?

Options

A. Father – in - law
B. Maternal grandfather
C. Uncle
D. Paternal grandfather

Answer

B