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 : ?

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

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, ?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
 
15 x 4 ÷ 35 - 70 + 16 = ?

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