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Miscellaneous·2017·Easy

The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. What is the included number?

The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. What is the included number?

Options

  1. a.

    24

  2. b.

    25

  3. c.

    26

  4. d.

    27

    Correct answer

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