Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e., TQO.
TQO → T - 2 = R ≠ Q, R - 2 = P ≠ O
IGE → I - 2 = G, G - 2 = E
MKI → M - 2 = K, K - 2 = I
ECA → E - 2 = C, C - 2 = A