Select the option that will fill in the blank and complete the given series.
CYB, FUG, IQL, LMQ, OIV, _____
Answer & explanation
Correct answer: option 1

Explanation:
CYB, FUG, IQL, LMQ, OIV, _____
The logic followed here is :
C → (+3) → F → (+3) → I → (+3) → L → (+3) → O → (+3) → R
Y → (-4) → U → (-4) → Q → (-4) → M → (-4) → I → (-4) → E
B → (+5) → G → (+5) → L → (+5) → Q → (+5) → V → (+5) → A
So, the letter-cluster that replaces the (?) to complete the series is "REA'