Multiple choice

If the sum of present ages of A, B and C is 50 years. Before 5 years the ratio of their ages was (1:2:4). Present age of B is -

  1. 15 years

  2. 10 years

  3. 20 years

  4. 25 years

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Present sum is 50. 5 years ago, sum was 50-15=35. Ratio was 1:2:4, meaning parts were 1x, 2x, 4x = 7x = 35, so x=5. Their ages 5 years ago: 5, 10, 20. Present ages: 10, 15, 25. B is the middle one, so B's present age is 15. Option A is correct.

Keep practicing — related questions