In the following question, select the odd letter/letters from the given alternatives.

PQOR FGEH UVTX ZAYB

UVTX

PQOR ⇒ P →(+1)→ Q →(-3)→ O →(+3)→R FGEH ⇒ F →(+1)→ G →(-3)→ E →(+3)→H UVTX ⇒ U →(+1)→ V →(-2)→ T →(+4)→X ZAYB ⇒ Z →(+1)→ A →(-3)→ Y →(+3) → B