Multiple choice general knowledge math & puzzles

The ratio of Rita's age to her mother's age is 3:8. The difference of their ages is 35 years. The ratio of their ages after 4 years will be:

  1. 7:12

  2. 5:12

  3. 38:43

  4. 42:47
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let Rita's age be 3k and mother's age be 8k. The difference is 8k - 3k = 35, so 5k = 35, giving k = 7. Rita is 21 and mother is 56. After 4 years: Rita = 25, mother = 60. The ratio becomes 25:60 = 5:12 after dividing by 5.

Keep practicing — related questions