Multiple choice

Find the average of $201, 204, 207, 210, 213$.

  1. $204$
  2. $207$
  3. $213$
  4. $208$
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B Correct answer
Explanation

The numbers 201, 204, 207, 210, 213 form an arithmetic progression. The average of an arithmetic progression is the middle term, which is 207.

AI explanation

The arithmetic mean of an evenly spaced sequence is simply the middle term. The numbers 201, 204, 207, 210, and 213 form an evenly spaced progression. The middle term is the third term, making the result 207.

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