| 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 | 23520 : 778 | incorrect |
| Option | 7350 : 577 | correct |
| Option | 6480 : 493 | incorrect |
| Option | 6720 : 278 | incorrect |
| Solution | 23520 : 778 = 7 × 7 × 8 × 60 : 778 7350 : 577 = 5 × 7 × 7 × 30 : 577 6480 : 493 = 4 × 9 × 3 × 60 : 493 6720 : 278 = 2 × 7 × 8 × 60 : 278 Hence, option B is different. | |
