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Q.

The mean of factors of 18 is

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a

7

b

6.5

c

5.5

d

6

answer is B.

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Detailed Solution

Explanation

Mean of Factors of 18

The mean of factors of 18 is:

The factors of 18 are: 1, 2, 3, 6, 9, 18.

To find the mean of these factors, we calculate:

  • Sum of factors = 1 + 2 + 3 + 6 + 9 + 18 = 39
  • Number of factors = 6

Now, the mean is:

Mean = Sum of factors / Number of factors = 39 / 6 = 6.5

Final Answer

The correct option is 6.5

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