The ratio of present age of Aman to that of David is 2 : 5 and after ten years…
2021
The ratio of present age of Aman to that of David is 2 : 5 and after ten years the sum of their age will be 69 years. Find the difference between present age of Aman & David?
- A.
14 years
- B.
21 years
- C.
17 years
- D.
19 years
- E.
7 years
Attempted by 12 students.
Show answer & explanation
Correct answer: B
Let the present ages be 2x and 5x. After ten years, 7x + 20 = 69, so x = 7. The present age difference is 3x = 21 years.