Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.
Answer & explanation
Correct answer: option 2
XYZ ⇒ X →(+1)→ Y →(+1) → Z
LNM ⇒ L →(+2)→ N→(-1) → M (ODD)
ABC ⇒ A →(+1)→ B →(+1) → C
IJK ⇒ I →(+1)→ J →(+1) → K