Question - b e d f ? h j ? l
A. i m
B. m i
C. i n
D. j m
Answer -
Option A
Explanation:
The series may be divided into groups as shown:
b e d / f ? h / j ? l
Clearly in the first group, the second and third letters are respectively three and two steps ahead of the first letter.
A similar pattern would follow in the second and third groups.