SOLUTION: the arithmetic mean of ten numbers is 36. if one of the numbers is 18, what is mean of the other nine?

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Question 920375: the arithmetic mean of ten numbers is 36. if one of the numbers is 18, what is mean of the other nine?
Answer by srinivas.g(540) About Me  (Show Source):
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Arithmetic mean of 10 numbers is 36 . Then sum of those ten numbers = 10*36
=360
one of the numbers is 18
sum of remaining numbers = 360-18
=342
arithmetic mean = sum over no of numbers
= 342/9
=38
so mean of other nine = 38
formula used : Sum = mean * no of items