Verbal Reasoning - Mental Ability Questions

In the following question, select the word which cannot be formed using the letters of the given word.

INFORMATION

Rahul moves 5 km towards south and then takes a left turn to move 5 km more. Again, he takes a left turn and moves 10 km and finally, he moves 5 km towards west. In which direction is he now from his initial position?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FU, LO, RI, ?

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

5 + 10 x 21 ÷ 5 - 15 = ?

In the following series, two terms are missing as shown by the question marks (?). Select the missing terms from the given options.

I-10, L-13, O-16, ?, ?, X-25

In a certain code language, “WARD” is written as “44” and “LOAD” is written as “30”. How is “BRIT” written in that code language?

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

Nitrogen fixation, Ammonification, Nitrification, ?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? 

p_r_s_q_p_rs