the age of father is 40 yearsmore than that of hos son.after 5 years , father's age will be thrice of his son's age . find their present age
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Let the son's age be x
Age of father = x+40
After 5 years,
Son's age = x+5
Father's age = 3*x+5
Given:
3(x+5)= x+45 {40 +5 as it is after 5 years}
= 3x+15 = x+45
= 3x-x= 45-15
= 2x= 30
x= 30/2
x= 15
Son's present age = 15 years
Father's present age= 15+40 = 55 years
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