Question

12.The mean of ten numbers is 58. If one of the numbers is 40
then the mean of the other nine
is
titate
Select one:
a. 540
b. 60
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Answer 1

Step-by-step explanation:

let the sum of first 9 number is x

so, (x+40)/10=58

or, x=580-40=540

Hence, the sum of the other nine will be 540.