The average age of six persons is 65 years. If the ages of the eldest and youngest persons are removed from the group, then the average becomes 55 years. If the ratio of the ages of the youngest and eldest person in the group is 15: 19, then find the difference between the eldest and youngest person in the group.
1
25 years
2
20 years
3
30 years
4
35 years
5
22 years