The average of 31 numbers is 59. The average of the first 11 numbers is 53.9 and that of the last 21 numbers is 62.1. If the 11th number is excluded, then what is the average of the remaining numbers?

The average of 31 numbers is 59. The average of the first 11 numbers i

1.	The average of 31 numbers is 59. The average of the first 11 numbers is 53.9 and that of the last 21 numbers is 62.1. If the 11th number is excluded, then what is the average of the remaining numbers?
A.	57.4
B.	58.7
C.	59.2
D.	57.9
Answer» C. 59.2