| Question | Select the number that can replace the question mark (?) in the following series. 1, 1, 2, 3, 7, 22, ? | |
| Type | multiple_choice | |
| Option | 152 | incorrect |
| Option | 155 | correct |
| Option | 157 | incorrect |
| Option | 156 | incorrect |
| Solution | Series follows the following pattern 1×0+1=1, 1×1+1 = 2 2×1+1=3, 3×2+1=7, 7×3+1=22 22×7+1 = 155 | |
