| Question | Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number- pair that is different. | |
| Type | multiple_choice | |
| Option | 28 : 163 | incorrect |
| Option | 16 : 91 | incorrect |
| Option | 27 : 82 | correct |
| Option | 22 : 127 | incorrect |
| Solution | 28 : 163 = 163 = 28 × 6 – 5 16 : 91 = 91 = 16 × 6 – 5 27 : 82 = 82 = 27 × 3+ 1 22 : 127 = 127 = 22 × 6 – 5 | |
