Question

10. The mean of six numbers is 30. If one number is excluded, the mean is 29. Find the value of number which is excluded.







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Answer 1

Answer:

Answer

According to the problem,

therefore,

sum of 6 numbers =30×6=180

sum of five numbers =29×5=145

Hence, the number that was excluded =180−145=35.

Answer 2

Answer:

Here

We've the mean of six numbers = 30

If one is excluded from these 6 numbers

The mean becomes 29 =

According to the problem,

therefore, 

sum of 6 numbers =30×6=180

sum of five numbers =29×5=145

Hence, the number that was excluded =180−145=35.

Step-by-step explanation:

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