"The average of 11 results is 60. If the average of first six results is 58 and that of
Channel: Doubtnut
Date: 05/04/2020

"The average
 of 11 results is 60. If the average of first six results is 58 and that of
 last six is 63, find the 6th result.
(a) 66 (b) 55 (c) 64 (d) 68"