Multiple choice

The sum of the present ages of P, Q, R and S is 70 years. After 5 years the ratio of their ages will become 2 : 4 : 3 : 6. What is the Q‘s present age?

  1. 12 years

  2. 17 years

  3. 23 years

  4. 15 years

  5. None of these

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

Let ages after 5 years be 2x, 4x, 3x, 6x. Sum = 15x. Present ages = 15x − 20 = 70, so x = 6. Q's age after 5 years = 4x = 24, so present age = 24 − 5 = 19 years. No option matches 19, so E is correct.