Verbal Reasoning - Mental Ability Questions

Select the missing number from the given series?

Students are sitting in a row in which the position of X is 17th from the left and that of Y is 14th from the right. If they interchange their positions, X's position becomes 7th from the left. How many students are there in the row?

If CAR = 22 and BUS = 42, then TRAM = ?

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

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

Double,Triple,Quadruple, ?

In the following question, select the missing number from the given series.

2, 5, 12, 27, ?

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

RS, WX, BC, ?

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., 'N' can be represented by 21,67, etc. , and 'R' can be represented by 66, 57,etc. Similarly, you have to identify the set for the word 'PUMP'.