If  it is possible to make a meaningful word with the fourth, the seventh, the eleventh and the thirteenth letters of the word 'CATEGORISATION' which of the following will be the first letter of that word ?
If no such word can be made, give X as the answer. If more than one such word can be made, give M as the answer.

E. M

Number of lettters skipped in between adjacent letters in the series increases by one.
Which of the following series observes this rule ?

D. IKNRW

In each of the following questions, find which one word cannot be made from the letters of the given word. TRANSLOCATION

A. TALCUM

In each of the following questions, choose one word which can be formed from the letters of the given word. RHINOCEROS

D. HORSE

The following question is based on the following alphabet series.
A  B  C  D  E  F  G  H  I  J  K  L  M
N  O  P  Q  R  S  T  U  V  W  X  Y  Z If the above alphabets were written in the reverse order, which will be the fifth letter to the left of the ninth letter from the right ?  

B. N