The sum of the age of a father and his son is 80 years now, 5 years ago their age was in the ratio of 5 : 2. The ratio of the age of father and son after 5 years will be?
1
1 : 2
2
2 : 1
3
2 : 3
4
3 : 2
The sum of the age of a father and his son is 80 years now, 5 years ago their age was in the ratio of 5 : 2. The ratio of the age of father and son after 5 years will be?