Select the option that will fill in the blank and complete the given series.
FTB, IQE, LNH, OKK, ?
Answer & explanation
Correct answer: option 2
Explanation:
FTB, IQE, LNH, OKK, ?
The logic followed here is :
F → (+3) → I → (+3) → L → (+3) → O → (+3) → R
T → (-3) → Q → (-3) → N → (-3) → K → (-3) → H
B → (+3) → E → (+3) → H → (+3) → K → (+3) → N
So, the letter-cluster that replaces the (?) to complete the series is "RHN'