ArithmeticQuestion 385 of 550

What is the mean of the multiples of 5 from 5 to 50?

  1. 27.5
  2. 25
  3. 30
  4. 27
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Correct answer: 27.5

Sum = 5 × (1 + 2 + ... + 10) = 5 × 55 = 275. Mean = 275 ÷ 10 = 27.5.

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Questions last reviewed: 21 October 2026