Multiple choice

8 years ago ratio of age of Priya and Sneha was 2:3, 4 year hence this ratio becomes 7:9. Find the sum of their present age.

  1. 52

  2. 56

  3. 48

  4. 45
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let Priya's and Sneha's present ages be P and S. 8 years ago: (P-8)/(S-8) = 2/3, so 3P-2S = 8. 4 years hence: (P+4)/(S+4) = 7/9, so 9P-7S = -8. Solving: P = 24, S = 32. Sum of present ages = 24 + 32 = 56 years.

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