In the following series, only one letter-cluster is incorrect. Select the incorrect letter-cluster.
ZXU SQN LKI ECZ XVS
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. LKI.
Logic: First letter - 2 = Second letter; Second letter - 3 = Third letter
Except LKI all follow the same pattern.
LKI: L - 1 = K; K - 2 = I