Which letter-cluster will replace the question mark (?) in the following series ?
EBF, JGK, OLP, ?
Answer & explanation
Correct answer: option 4
Explanation:

Explanation:
EBF, JGK, OLP, ?
The logic followed here is :
E → (+5) → J → (+5) → O → (+5) → T
B → (+5) → G → (+5) → L → (+5) → Q
F → (+5) → K → (+5) → P → (+5) → U
So, the letter-cluster that replaces the (?) to complete the series is "TQU"