Question

The age of thre father i stwice the sum of the ages of his two childrens. after 20years will be equal to the sum of then ages of his children find the age of the father

Answer 1

Let age of father be x years and children ages are a , b....... According to Q's: x= 2(a+b),,,,,,,,,,,,eq1 After 20 years ages will be a+20 ,b+20 Now according to Q's After 20 years X= (a+20)+(b+20).....eq2 By equating eq1 and eq2 2(a+b)= (a+20)+(b+20) 2a+2b= a+b+40 a+b= 40