Multiple choice

10 years ago the ratio of ages of Ram and Shyam was 7 : 8. If sum of their present ages is 50 years, what is Shyam's present age ?

  1. 26 years

  2. 22 years

  3. 24 years

  4. 20 years

  5. None of these
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A Correct answer
Explanation

Let ages 10 years ago be 7x and 8x. Present ages: (7x + 10) + (8x + 10) = 50, so 15x + 20 = 50, thus 15x = 30 and x = 2. Shyam's present age = 8x + 10 = 8(2) + 10 = 26 years. Always add the time elapsed to get present age from a past ratio.

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