Select the number from among the given options that can replace the question mark (?) in the following series.
2, 4, 5, 19, 71,?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 361.
| Understanding |
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Given series: 2, 4, 5, 19, 71,? The series follows the pattern: 2 × 1 = 2 + 2 = 4 4 × 2 = 8 - 3 = 5 5 × 3 = 15 + 4 = 19 19 × 4 = 76 - 5 = 71 71 × 5 = 355 + 6 = 361 So, the next term in the series is 361. |