A and B are friends and B is 2 years younger than A. A's father D is twice as old as A and B is twice as his sister C. The age of D and C differ by 40 years. The ages of 'A' and 'B' are respectively
1
26 yrs., 24 yrs.
2
25 yrs., 23 yrs.
3
30 yrs., 28 yrs.
4
None of these