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

Which letter is seventh to the right  of the eighteenth letter from the right end of the alphabet ?

A. K
B. O
C. P
D. R
E. None of these
Answer: C . P


Counting from the right in the given alphabet series i.e. from Z, the eighteenth letter is I.
The seventh letter to the right of I is P.