| Question | Select the option in which the numbers are related in the same way as are the numbers of the following set. (9, 21, 124) | |
| Type | multiple_choice | |
| Option | (5, 16, 220) | incorrect |
| Option | (14, 58, 112) | incorrect |
| Option | (11, 64, 131) | incorrect |
| Option | (17, 37, 564) | correct |
| Solution | (9, 21, 124) = (9, 21, 9 × 21 – 65) (17, 37, 564) = (17, 37, 17 × 37 – 65) | |
