Verbal Reasoning - Mental Ability Questions

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?

Find the odd word/letters/number pair from the given alternatives.

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, ?

From the given alternative words, select the word which cannot be formed using the letters of the given word:

ENVIRONMENT

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

Good, Odour, Urban, Anthem, ?

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

Select the missing number from the given series?