Ratio of the Age of Mother and son 8 years ago is 8: 3, after 8 years from now the age of the mother to son is 12: 7. If the father whose present age is (x + 15)% more than the age of the present age of mother and the age of the son after 5 years is 40% of the present age of the father. Find the value of x.
1
17.8
2
50.5
3
41.25
4
15.7
5
12.5