Select the number that can replace the question mark (?) in the following series.
17, 19, 22, 27, 34, 45, 58, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 75.
| Understanding |
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The logic used here is: Number + prime number starting from 2. 17 + 2 = 19 19 + 3 = 22 22 + 5 = 27 27 + 7 = 34 34 + 11 = 45 45 + 13 = 58 58 + 17 = 75 The next term in the series is 75. |