The ratio of father's age to the son's age is 4 : 1. the product of their ages is 196. the ratio of their ages after 5 years will be ?
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let the age of son be x
let the age of father be 4x
at present,
4x * x = 196
x^2 = 49
x = 7
son = 7 years
father = 28 years
after 5 years,
son = x + 5 = 12
father = 4x + 5 = 33
let the age of father be 4x
at present,
4x * x = 196
x^2 = 49
x = 7
son = 7 years
father = 28 years
after 5 years,
son = x + 5 = 12
father = 4x + 5 = 33
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18
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