Question

the average of 11 results is 60. if the average of first 6 result is 58 and of the last six is 63, find the sixth result

Answer 1

Answer:

sum of 11/11=60

sum of 11=60×11

sum of 11=660

sum of 6/6=58

sum of 6=348

sum of 6/6=63

sum of 6=378

348+378-x=660

x=66