Select the letter cluster that will replace the question mark (?) in the following series. WYB, XUD, YQF, ... |
HZM HCZ ZMH HMZ |
ZMH |
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 |