The mean of five numbers is 27.if one number is excluded, the mean of remaining numbers is 25. Find the excluded number $. The mean of numbers is 27. # one new number is included, the new mean is 25
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Step-by-step explanation:
mean of 5 number =27
sum of five number =27×5=135
mean of 6 number=25
sum of 6 number =25×6=150
new number that is included =150-135=15
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