A person's present age is two-fifth of the age of his mother. After 8 years , he will be one-half of the age of his mother . How old is the mother at present ?

A person's present age is two-fifth of the age of his mother. After 8 years , he will be one-half of the age of his mother . How old is the mother at present ? Correct Answer 40 years

A person's present age is two-fifth of the age of his mother. After 8 years , he will be one-half of the age of his mother . How old is the mother at present ?Let, present age of mother = xpresent age of the person or son = 2x/5​After 8 year,  mother's age = x+8son's age = 2x/5 ​+ 8As per question,2x/5 ​+ 8 = ​(x+8)/2or, (x+8)/2 - 2x/5 = 8or, x=40 So, present age of mother = 40 years (Ans:)
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