The ratio of the present age of
father to that of son is 7:2. After 10
years their ages will be in the ratio
of 9:4. The present ages of the
father is?
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Step-by-step explanation:
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Answered by
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Step-by-step explanation:
father's present age = 7x
son's present age = 2x
father's age after 10 years = 7x + 10
son's age after 10 years = 2x + 10
as per the given condition
(7x + 10)/(2x + 10) = 9/4
=> 4(7x + 10) = 9(2x + 10)
=> 28x + 40 = 18x + 90
=> 10x = 50
=> x = 5
therefore father's present age = 7x => = 35 years
son's present age = 2x => = 10 years
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