Three of the following letter-clusters are alike in some manner and hence form a group. Which letter-cluster does not belong to that group ?
Answer & explanation
Correct answer: option 2
FKA ⇒ F →(+5)→ K →(-10) →A
CJZ ⇒ C →(+7)→ J →(-10) →Z (ODD)
PUK ⇒ P →(+5)→ U →(-10) → K
CHX ⇒ C →(+5)→ H →(-10) →X