Select the letter cluster that will replace the question mark (?) in the following series.
WYB, XUD, YQF, ...
Answer & explanation
Correct answer: option 3
Next alphabet in the series is :
W → (+1)→ X → (+1)→ Y → (+1)→ Z
Y → (- 4)→ U → (- 4)→ Q → (- 4)→ M
B → (+2)→ D → (+2)→ F → (+2)→ H