Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_cca_a_ca_ac_ab

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. TP, UQ, WS, ZV, ?

 In a certain code language, “PRANK” is written as “RUESQ”. How is “RATES” written in that code language?

Choose the odd one from the following:

In the following question, select the related word from the given alternatives.
Goiter : Iodine : : Anemia : ?

In the following question, select the related word pair from the given alternatives.
Canada : Ottawa : : ? : ?

A points to B and says to a lady C "His mother is the only daughter of your father". If so, how is C related to B?

I go 5 km East, then turn right and go 8km. Then I turn left and go 5 km and then I turn left and go 8 km. At what distance am I from the starting point?