Verbal Reasoning - Mental Ability Questions

In a certain code, if ZIGZAGGING is written as AZGIZGNIGG, then how will BLIZZARDLY be written as in the same code?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
2, 10, 30, 68, ?

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., 'A' can be represented by 01, 13, etc., and 'S' can be represented by 55, 66, etc. Similarly you have to identify the set for the word 'BOTH'.

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

Expenditure

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

54 x 9 - 3 ÷ 4 = ?

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

ABC, PQR, DEF, STU, ?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

KK_LL_K_L_LL

Find the wrong number in the series. 225, 206, 188, 176, 165, 158, 153