Asked by reena
Which of the following can be the average(arithmetic mean ) of four consecutive positive even integers?
Answers
Answered by
Steve
The integers are
n-2 n n+2 n+4
sum = 4n+4
average = n+1
which is in between the two middle integers. So, since n is even, n+1 must be odd.
n-2 n n+2 n+4
sum = 4n+4
average = n+1
which is in between the two middle integers. So, since n is even, n+1 must be odd.
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