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Ratio & Proportion Questions

  • Numerical Ability - Ratio & Proportion
Question

Mother and son’s ages are in the ratio 7 : 8. Father and son’s ages are in ratio 8 : 5.Find ratio of ages of father and mother.

  • A) 7 : 8
  • B) 8 : 7
  • C) 35 : 64
  • D) 64 : 35
  • E) None of these
Solution

Answer (D): 64 : 35

Explanation:

Ratio of age of mother and son = 7 : 8 = 35 : 40

Ratio of age of father and son = 8 : 5 = 64 : 40

Ratio of age of father and mother = 64 : 35

Let time for B to complete the work = x days

Time for A to complete the work = (x/2) days

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