Verbal Reasoning - Mental Ability Questions

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, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

5 + 10 x 21 ÷ 5 - 15 = ?

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. Select the correct alternative from the given ones that will complete the series.
FU, LO, RI, ?

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

A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Responsibility

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'A' can be represented by 01, 13, etc., and 'S' can be represented by 55, 66, etc. Similarly you have to identify the set for the word 'BOTH'.