Complete analogous pair - Ottawa : Canada : : Canberra : ?

D. AUSTRALIA

Choose analogous pair - Threat : Insecurity

A. CHALLENGE : FIGHT

Choose analogous pair - Bruise : Fall

C. TIPSY : DRINK

Choose or find odd letter group - BdE , XpD , HQu , MkV , PtZ

A. HQU

A + B means A is the daughter of B ;
A - B means A is the husband of B ;
A x B means A is the brother of B.

If P x Q + R, which of the following is true ?

C. P IS THE SON OF R