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Q. The ratio of the ages of two persons is 4 : 7 and age of then is more than other by 30 years. The sum of their ages in years is

  • (A) 100
  • (B) 110
  • (C) 120
  • (D) 130
  • Correct Answer - Option(B)
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Explanation by: Admin
Let the present ages of two person be 4x and 7x years respectively; then according to question,
7x = 30 + 4x
⇒ 3x = 30
∴ x = 10
Hence, sum of their ages = 4x + 7x = 11x = 11 x 10 = 110 years

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