Select the set of number that is similar to the following set of numbers {8, 17, 27}

| Question | Select the set of number that is similar to the following set of numbers {8, 17, 27} | |
| Type | multiple_choice | |
| Option | {9, 16, 21} | incorrect |
| Option | {5, 10, 18} | incorrect |
| Option | {4, 7, 15} | incorrect |
| Option | {6, 13, 21} | correct |
Solution: