Verbal Reasoning - Mental Ability Questions

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

Findout the odd word/letters/number/number pair from the given alternatives.

In the following question, select the related word from the given alternatives.
Book : Pages : : Continent : ?

Choose the related word/letters/number from the given alternatives.
Nest : Bird : : Den : ?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 315&3#9@4%6 = ?

In a certain code language, "FIRST" is written as "@#$!?" and "EYE" is written as "^*^". How is "TYRE" written in that code language?

If 'P 3 Q' means 'P is daughter of Q', 'P 5 Q' means 'P is father of Q', 'P 7 Q' means 'P is mother of Q' and 'P 9 Q' means 'P is sister of Q', then how is J related to K in J 3 L 9 N 3 O 5 K?