| 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 | GKR | incorrect |
| Option | QIZ | incorrect |
| Option | MKX | incorrect |
| Option | HNU | correct |
| Solution | Pattern follows 7 + 11 = 18, 17 + 9 = 26 13 + 11 = 24, 8 + 14 = 22 ≠ 21 | |
