Question

The average of 11 results is 60. If the average of the first 6 results is 59 and that of the last six is 62. Find the sixth result?

• A. 56
• B. 42
• C. 66
• D. 74

Answer 1

Answer:

C. 66

Total of 11 results = 11 x 60 = 660 Total of first 6 results = 6 x 59 - 354 Total of last 6 results = 6 x 62 = 372 Sixth number = (354 + 372) = 660 = 726-660 = 66