Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
36 : 25 : : 100 : ?

Select the related word/letters/number from the given alternatives.
BCD : YXW : : FGH : : ?

In a certain code language, 'x' represents '+', '÷' represents 'x', '­' represents '÷' and '+' represents '­'. Find out the answer to the following question.

5 ÷ 4 ­ 10 + 7 x 16 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Asia, Africa, North America, ?

In the following question, select the odd word from the given alternatives.

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

144, 256, 400, ?

Ravish is 7 years older than Vikas. Akash is 3 years younger than Ravish. Mohit is 5 years younger than Akash. Who is the youngest among all the four?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 8 V 10 M 96 L 6 S 9 = ?