Verbal Reasoning - Mental Ability Questions

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 shown in the given two matrices. 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 ,for example 'H' can be represented by 32,41 etc and 'N' can be represented by 98,85 etc. similarly,you have to identify the set for the word ''IOTA''.

Find the missing term in the following question:­

If 6 * 9 – 4 = 58 and 3 * 9 – 7 = 34, then in the expression A * 4 – 9 = 91, what is the value of 'A'?

Rampal told Arjun, "Yesterday I defeated the only brother of the daughter of my grandmother." Whom did Rampal defeat?

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

80 x 16 ÷ 4 + 2 - 8 = ?

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
A = M >P, N > R, A > T
Conclusion:
I. T = P
II. R < A

In a certain code language, “TALCS” is written as “UENCV”. How is “SPARK” written in that code language?

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

Rajasthan, Madhya Pradesh, Maharashtra, ?