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 is the letter as far from the first letter of the alphabet given below as the letter C is from the letter midway between K and R in 'QUICKSILVER' ?

Answer: D. J

The letter midway between K and R in 'QUICKSILVER' is L. In the alphabet, L is the ninth letter after C. Similarly, J is the ninth letter from the first letter of the alpahbet, which is A.