| Question | Select the number from among the given options that can replace the question mark (?) in the following series. 240, 120, ?, 180, 360, 900 | |
| Type | multiple_choice | |
| Option | 148 | incorrect |
| Option | 130 | incorrect |
| Option | 150 | incorrect |
| Option | 120 | correct |
| Solution | Pattern: x 0.5, x1, x1.5, x2, x2.5 | |
