In a family of 4 members i.e. A, B, C, D. The age of A is 2 / 3rd of the average age of a family. The age of B is 80% of the age of A. The age of D is 150% more than the age of B. Find the age of A if the difference between the age of C and D is 5 years. (C > D)
1
20 years
2
50 years
3
25 years
4
55 years
5
None of the above