| Question | Select the number from among the given options that can replace the question mark (?) in the following series. 2, 4, 5, 19, 71, ? | |
| Type | multiple_choice | |
| Option | 361 | correct |
| Option | 216 | incorrect |
| Option | 316 | incorrect |
| Option | 261 | incorrect |
| Solution | The logic is: 2 × 1 + 2 = 4 4 × 2 – 3 = 8 – 3 = 5 5 × 3 + 4 = 15 + 4 = 19 19 × 4 – 5 = 76 – 5 = 71 71 × 5 + 6 = 361 Hence, ‘361’ is the correct answer. | |
