The average of 11 results is 60. If the average of first six results is 58 and that of the last six is 63, find the sixth result.  Options.
A) 22
B) 44
C) 66
D) 72
E) NOne
Sol.   Sixth result = (58 x 6 + 63 x 6 - 60 x 11) = 6   Answer 66
<result>C</result>
The average of 11 results is 60. If the average of first six results is 58 and that of the last six is 63, find the sixth result.