| Question | Select the number-pair in which the two numbers share a different relationship from in that shared by the two numbers the rest of the number-pairs. | |
| Type | multiple_choice | |
| Option | 12 : 156 | incorrect |
| Option | 18 : 342 | incorrect |
| Option | 17 : 307 | correct |
| Option | 14 : 210 | incorrect |
| Solution | 12 : 156 = 12 : 12 × 13 18 : 342 = 18 : 18 × 19 17 : 307 = 17 : 17 × 18 + 1 14 : 210 = 14 : 14 × 15 Hence option C is different | |
