Multiple choice

The ratio of the present ages of Rambha and Sarvesh is 8 : 5. After 7 years, the ratio of their ages will be 5 : 4. What is Rambha's present age?

  1. 5 years

  2. 30 years

  3. 8 years

  4. 48 years

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let the present ages be 8x and 5x. After 7 years, the ratio becomes (8x+7)/(5x+7) = 5/4. Solving this gives 32x + 28 = 25x + 35, so 7x = 7, meaning x = 1. Rambha's present age is 8x = 8 years.