| Question | Select the number from among the given options that can replace the question mark (?) in the following series. 6, 7, 23, 119, 839, ? | |
| Type | multiple_choice | |
| Option | 7345 | incorrect |
| Option | 7559 | correct |
| Option | 7259 | incorrect |
| Option | 7954 | incorrect |
| Solution | 6 × 1 + 0 = 7 7 × 3 + 2 = 23 23 × 5 + 4 = 119 119 × 7 + 6 = 839 839 × 9 + 8 = 7559 6, 7, 23, 119, 839, 7559. | |
