![Select the number from among the given options that can replace the question mark (?) in the following series. 18, 3, 36, 6, 54, 9, ?](https://www.gkseries.com/blog/wp-content/uploads/2023/06/Select-the-number-from-among-the-given-options-that-can-replace-the-question-mark-in-the-following-series.-18-3-36-6-54-9-.jpg)
Question | Select the number from among the given options that can replace the question mark (?) in the following series. 18, 3, 36, 6, 54, 9, ? | |
Type | multiple_choice | |
Option | 89 | incorrect |
Option | 90 | incorrect |
Option | 12 | incorrect |
Option | 72 | correct |
Solution | 18, 18 + 18 = 36, 36 + 18 = 54, 54 + 18 = 72 18, 3, 36, 6, 54, 9, 72 |