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24 April, 13:27

List 5 numbers, so that

- the first number is 1,

- the average of the first two numbers is 2,

- the average of the first 3 numbers is 3,

- the average of the first 4 numbers is 4,

- and the average of all 5 numbers is 5?

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Answers (1)
  1. 24 April, 15:58
    0
    1, 3, 5, 7, 9. You could continue on with this pattern forever by adding two to each previous number and it would average out correctly.
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