Saved Bookmarks
| 1. |
The difference of the square of two consecutive even numbers is 84. What is the sum of these two consecutive even numbers?1. 342. 383. 364. 42 |
|
Answer» Correct Answer - Option 4 : 42 Calculation: Let the two consecutive even number be x and x + 2 Now, A/Q (x + 2)2 – x2 = 84 ⇒ x2 + 4 + 4x – x2 = 84 ⇒ 4x = 80 ⇒ x = 20 The two consecutive number are 20 and 22 Sum = 20 + 22 = 42 ∴ The sum of two consecutive even number is 42 |
|