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Home » The ratio of father’s age to son’s age is 4:1, and the product of their ages is 196. Find the ratio of their ages after 5 years.

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The ratio of father’s age to son’s age is 4:1, and the product of their ages is 196. Find the ratio of their ages after 5 years.

A. 3:1
B. 11:4 ✅
C. 2:1
D. 5:2

Explanation

  • Let father = 4x, son = x
  • 4x^2 = 196 => x = 7
  • Father = 28, Son = 7
  • After 5 years: 33:12 = 11:4