Saved Bookmarks
| 1. |
In each of the following number series, the wrong number is given, find out that number.1, 5, 20, 57, 121, 221, 3651. 572. 203. 1214. 55. 365 |
|
Answer» Correct Answer - Option 2 : 20 Given: The given number series is: 1, 5, 20, 57, 121, 221, 365 Concept Used: A number series, with the relation between successive terms. Calculation: The given number series follows the relation: 1 + 22 = 5, 5 + 42 = 21, 21 + 62 = 57, 57 + 82 = 121, 121 + 102 = 221, 221 + 122 = 365 ∴ The wrong number in the given series is 20 |
|