Recent content by psbhowmick

Let the no. of yrs. in which the father's age will be twice and 7 yrs more than the sons age be x yrs. Father's age: now is 36 yrs. Father's age: then will be (36+x) yrs. Son's age: now is (36/4 =) 9 yrs. Son's age: then will be (9+x) yrs. Then, Father's age = 2*(Son's age then) + 7 36+x =...