The ratio of ages of A and B, four years ago, was 7 : 5. The ratio of their ages, 6 years from now, will be 19 : 15. What is the ratio of the present ages of A and B?
Answer & explanation
Correct answer: option 3
Lets assume four years ago age of A be 7x and age of B be 5x
Given, \(\frac{7x + 4 + 6}{5x + 4 + 6}\) = \(\frac{19}{15}\)
⇒ 10x = 40
⇒ x = 4
Present age of A = 32 years
Present age of B = 24 years
Ratio of present ages of A and B = \(\frac{32}{24}\) = 4:3