Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
DAF, FED, HIB, ?

In the following figure, rectangle represents brand managers, circle represents cartoonist, triangle represents sculptors and square represents fathers. Which set of letters represents fathers who are either brand managers or cartoonists?

Arrange the following words as per order in the dictionary and then choose the one which comes last.

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

T, Q, N, K, ?

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

FL, IO, LR, ?, RX

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

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

Philosophy

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 13, 21 etc and 'T' can be represented by 57, 79 etc. Similarly, you have to identify the set for the word 'GLOW'.