The ratio of ages of a father and his son was 5 : 1. What is the age of the son after five years, if the ratio of their ages is 3 : 1 by this time?

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Ratio, Proportion and Partnership

প্রশ্নঃ The ratio of ages of a father and his son was 5 : 1. What is the age of the son after five years, if the ratio of their ages is 3 : 1 by this time?

  • ক. 7
  • খ. 10
  • গ. 12
  • ঘ. 14

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Ratio, Proportion and Partnership