| Question | Select the number from among the given options that can replace the question mark (?) in the following series. 24, ?, 52, 312, 320 | |
| Type | multiple_choice | |
| Option | 30 | incorrect |
| Option | 42 | incorrect |
| Option | 48 | correct |
| Option | 35 | incorrect |
| Solution | Pattern: X 2, + 4, X 6, + 8 | |
