Select the number from among the given options that can replace the question mark (?) in the following series.
1, 6, 25, 76, ?, 154
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 153.
| Understanding |
|---|
|
Given series: 1, 6, 25, 76, ?, 154 The series follows the pattern: 1 × 5 + 1 = 6 6 × 4 + 1 = 25 25 × 3 + 1 = 76 76 × 2 + 1 = 153 153 × 1 + 1 = 154 So, the missing term in the series is 153. |