Verbal Reasoning - Mental Ability Questions

In the following problem, '=' stands for '÷' , '+' stands for '­' , 'x' stands for '=', '­' stands for '+' and '÷' stands for 'x'. Find the correct equation.

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

AB_AB_AA_BB_

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

Gymnastic

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

Numismatic

Select the missing number from the given responses.

In a certain code language, “PROP” is written as “67” and “RATE” is written as “46”. How is “MOCK” written in that code language?

If E = 5, GUN = 42 and ROSE = 57, then what is the value of GATE ?

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 tow and next by its column. e.g. 'A' can be represented by 22, 10 etc and 'P' can be represented by 55, 67, 79 etc. Similarly, you have to identify the set for the word "NEAT".