The ratio of the present ages of Aman and David is 2 : 5 2 : 5 2 : 5 . After 10 years, the sum of their ages will be $69$ years. What is the differenc...
Question
The ratio of the present ages of Aman and David is . After 10 years, the sum of their ages will be $69$ years. What is the difference between their present ages?