Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

17, 27, 42, 62,?

If 29$14 = 6, 37$25 = 3 then what is the value of 84$62 = ?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 126 x 14 + 7 - 3 ÷ 2 = ?

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

If north-­west becomes south, north­-east becomes west and so on, then east will become which direction?

F is the Father of S and D. D's Paternal aunt's daughter is E. How is F related to E?

Select the related word/letters/number from the given alternatives.
25: 260 : : 30 : ?

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 = ?