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 In the Engish alphabet, which letter will be to the immediate left of M ?

Answer: B. L

Clearly, L is the letter to the immediate left of M.