![Select the number from among the given options that can replace the question mark (?) in the following series. 4, 11, 31, 65, 193, ?](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.-4-11-31-65-193-.jpg)
Question | Select the number from among the given options that can replace the question mark (?) in the following series. 4, 11, 31, 65, 193, ? | |
Type | multiple_choice | |
Option | 368 | incorrect |
Option | 398 | incorrect |
Option | 389 | correct |
Option | 386 | incorrect |
Solution | 4 × 2 + 3 = 11 11 × 3 – 2 = 31 31 × 2 + 3 = 65 65 × 3 – 2 = 193 193 × 2 + 3 = 389 4, 11, 31, 65, 193, 389 |