A man is four times as old as his son.After 20 years,he will be twice as old as his son at that time.find their present ages
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let the sons age be x ...fathers age is 4x
after 20years fathers age is 4x+20
sons age is x+20
by hypothesis 4x+20 is 2 (x+20)
by solving we get x as 10
fathers age is 40 yrs
after 20years fathers age is 4x+20
sons age is x+20
by hypothesis 4x+20 is 2 (x+20)
by solving we get x as 10
fathers age is 40 yrs
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Answer:
The son's age is 10 and his father's age is 40.
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