The ratio between the ages of father and son at present is 5:3 respectively.four years hence the ratio between the ages of the son and his mother will be 1:3 respectively.
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10:3=x:15
(solve for 'x')
so present age of dad is 50.
age difference between dad and son is 50-15=35
let 's consider,
after 'n' years dad 's age is 'y'
y:y-35=2:1
solve for y, we get y=70
dad's age after 'n' years- present age of dad=70-50=20
answer is 20
(solve for 'x')
so present age of dad is 50.
age difference between dad and son is 50-15=35
let 's consider,
after 'n' years dad 's age is 'y'
y:y-35=2:1
solve for y, we get y=70
dad's age after 'n' years- present age of dad=70-50=20
answer is 20
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