Four letter clusters have been given in the options, 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. KOSW.
The logic used here is: 1st letter + 3 = 2nd letter, 2nd letter + 4 = 3rd letter, 3rd letter + 5 = 4th letter
Option 1: KOSW K + 3 = N, N + 4 = R, R + 5 = W This does not follows the logic.