arithmetic - a daughters present age is twofifth of the age of her mother after 8 years she will be onehalf of the age of her mother how old is the mother at present - skillgun

Solution: Assume the mother's present age be x years. Then, the daughter's present age =(2x/5) years.
.'. (2x/5 + 8) = 1/2(x+8) <=> x=40. Hence, mother's present age is 40 years.