The mean of ages of father and son is 27 years. after 18 years the age of father will be twice of his son. what is the present age
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let the father's age be x and son's age be y
x+y=27 (1)
after 18 years,
x+18=2(y+18)
by elimination
father's age =24
son's age=3
x+y=27 (1)
after 18 years,
x+18=2(y+18)
by elimination
father's age =24
son's age=3
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