Verbal Reasoning - Mental Ability Questions

In the following question, select the related word from the given alternatives.
Ampere : Electric current : : Fathom : ?

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Abhi Bhattacharya: Utpal Dutt: Satyajit Ray

In the following question, select the related letter pair from the given alternatives.PIR : OHQ : : ? : ?

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

In a row, there are 6 boys between A and B and A being the first boy in row. There are 3 boys between B and C. If there are 12 boys after C, then how many minimum boys are there in the row?

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

8 ÷ 6 - 5 + 70 x 10 = ?

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

2, 5, 10, 17, ? , 37

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

upset, aurora, spurn, strut, status, ?