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Six consecutive even numbers have a mean of 47. What is the smallest of them?

Competition practiceAverages & Ages
  • A42
  • B44
  • C40
  • D37

Step-by-Step Solution

Write them as a, a + 2, …, a + 10. Their mean is a + 5 = 47, so a = 42 (the numbers are 42 to 52).
Answer: A) 42

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