InterviewSolution
Saved Bookmarks
| 1. |
The difference of square of two numbers is 45 and the differences of the number are 3 then find the sum of numbers?1. 152. 123. 184. 20 |
|
Answer» Correct Answer - Option 1 : 15 Given: The difference of square of two numbers is 45 and the differences of the numbers are 3 Formula used: (a2 – b2) = (a + b) × (a - b) Calculation: According to the question the difference of square of two numbers is 45 ∴ (a2 – b2) = 45 And the differences of the numbers are 3 ∴ (a - b) = 3 Now, put the values in the given identity ∴ 45 = (a + b) × 3 ⇒ (a + b) = 45/3 = 15 Hence, option (1) is correct |
|