Select the number from among the given options that can replace the question mark (?) in the following series. 18, 34, 66, 130, ?
| Question | Select the number from among the given options that can replace the question mark (?) in the following series. 18, 34, 66, 130, ? | |
| Type | multiple_choice | |
| Option | 232 | incorrect |
| Option | 178 | incorrect |
| Option | 273 | incorrect |
| Option | 258 | correct |
| Solution | Pattern: x 2 – 2 | |