Multiple choice

The ratio of present ages of Ranjini and Shahid is 5 : 4. After 13 years the ratio of their ages will be 6 : 5. What is Ranjini's present age?

  1. 52

  2. 65

  3. 60

  4. 32

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

Let ages be 5x and 4x. (5x+13)/(4x+13) = 6/5. 25x + 65 = 24x + 78. x = 13. Ranjini's age = 5 * 13 = 65.

AI explanation

Let the present ages of Ranjini and Shahid be 5x and 4x years. After 13 years, the equation is 5x plus 13 divided by 4x plus 13 equals 6 divided by 5, which simplifies to 25x plus 65 equals 24x plus 78. Solving for x gives x equals 13. Ranjini's present age is 5x, which calculates to 65 years.