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 | TSRQ | incorrect |
| Option | PONL | correct |
| Option | MLKJ | incorrect |
| Option | WVUT | incorrect |
| Solution | all the option has same difference in between their letters. But in PONL P -1 = O O – 1 = N N -2 = L | |