Present age of the father is 25% more than the present age of the mother. The age of the elder son is 12 and the age of the younger son is x. Four years after the age of father to elder son is 11: 4. If the age of the younger son is 1/4th the age of the mother. Find the value of x.
1
7
2
10
3
8
4
6
5
12