Discussion
The average of four consecutive even numbers is 27. The largest of these numbers is:
Answer: B
For a set of consecutive numbers (or consecutive even/odd numbers), the mean is the average of the first and last number. Also, the mean of four consecutive numbers lies exactly between the second and third numbers.
The mean is 27, so the second and third numbers must be 26 and 28.
The four consecutive even numbers are 24, 26, 28, 30.
The largest number is 30.
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