H  D  Y  S  M  W  N  B  Q  P  O  C  R  T  B  L  Z  V  E  G  U  F Which two neighbours in the given arrangement are farthest in the alphabetical order ?

B. D AND Y

Choose analogous pair - Numismatist : Coins

A. PHILATELIST : STAMPS

Choose or find odd letter group - RNJ , XTP , MIE , ZWR

D. ZWR

Complete analogous pair - Cunning : Fox : : Timid : ?

C. ASS

In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.
7 9 21 27
4 2 36 18
9 4 54 ?

B. 24