The average of eleven numbers is 56. The average of the first four numbers is 48 and that of next Four members is 26 percent more than the average of first four. Ninth number is 8 greater than the 11th and tenth number is 5 greater than the 11th number. What is the average of the 9th and 10th numbers?
1
61.2
2
68.2
3
62.7
4
61.8
5
None of the