The average of 11 numbers is 20. If the average of the first six numbers is 19 and that of the last six numbers is 22, then the middle number isA25B22C24D26Answer: D. 26 Read Explanation: Sum of 11 numbers = 20 x 11 =220 Sum of first 6 num: =19 x 6 =114 Sum of last 6 No. = 22*6 =132 Middle number = (114+132) -220 = 26Read more in App