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 the following question, arrange the given names in the order in which they would occur in a telephone directory and choose the one which appears in the middle.

B. RANDESH

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

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 alphabet are divided in two equal halves -- from A to M and N to Z, which letter in the later half would be corresponding to the letter J ?

D. W

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

D. CRITICAL