The mean of 10 numbers is 55.if one number is included it becomes 60. Find the included number.
Answers
Answered by
0
Mean of 10 numbers = 55
sum of 10 numbers = 550
Now mean of 11 numbers = 60
sum of 11 numbers= 660
The number is 660-550 = 110
sum of 10 numbers = 550
Now mean of 11 numbers = 60
sum of 11 numbers= 660
The number is 660-550 = 110
Similar questions