Verbal Reasoning - Mental Ability Questions

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

2, 5, 12, 27, ?

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

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

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
72 x 9 - 14 + 2 = ?

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'.

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., 'K' can be represented by 20, 34, etc. and 'Z' can be represented by 67, 88 etc. You have to identify the set for the word 'PURE'.

Select the missing number from the given alternatives?

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

RMT, PKR, NIP, ?, JEL