Select the number that can replace the question mark (?) in the following series.
2, 2, 6, 10, 22, 42, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 86
| Understanding |
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Given series: 2, 2, 6, 10, 22, 42, ? The series follows the pattern: (Number x 2) - 2 and (Number x 2) + 2, alternately. (2 x 2) - 2 = 2 (2 x 2) + 2 = 6 So, (42 x 2) + 2 = 86 So the missing term is 86 |