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 | GJB – ROW | incorrect |
| Option | EFR – VUI | correct |
| Option | DFL – USM | incorrect |
| Option | IKN – PNK | incorrect |
Solution: Except (b) all follow given sequence