Select the option that will correctly replace the question mark (?) in the series.
15, 19, 35, 71,?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 135.
| Understanding |
|---|
|
Given series: 15, 19, 35, 71,? The logic used here is: 15 + 22 = 19 19 + 42 = 35 35 + 62 = 71 71 + 82 = 135 The next term in the series is 135. Hence, option 4 is the correct answer. |