Select the option that can replace the question mark (?) in the following series.
FM61, EK58, DI55, CG52, ?

Option
a) BE49
b) CD44
c) BF48
d) CE46

Solution:

FM61, EK58, DI55, CG52, ?
6-13-3, 5-11-3, 4-9-3, 3-7-3,
logic : -1, -2, -3,
for next term
Term after CG52= 3 – 7 – 52= 2 – 5 – 49 , BE49

Correct Answer: a) BE49