Multiple choice

The ratio of the present ages of Subhi and her mother is 1 : 2. The ratio will become 10 : 19 after 3 years. What is the difference in their age?

  1. 33

  2. 30

  3. 27

  4. 24

  5. 21
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let Subhi's age = x, mother's age = 2x. After 3 years: (x+3)/(2x+3) = 10/19. Cross-multiply: 19(x+3) = 10(2x+3) → 19x + 57 = 20x + 30 → x = 27. Ages: 27 and 54. Difference = 54 - 27 = 27 years. Option C is correct.

Keep practicing — related questions