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.

| Question | 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. | |
| Type | multiple_choice | |
| Option | WTR | incorrect |
| Option | WUT | correct |
| Option | MJH | incorrect |
| Option | SPN | incorrect |
| Solution | All except in option 2 follows -3, -2 follows. | |