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Basic Mathematics QUESTION #8001
Question 1
What is the arithmetic mean (average) of all positive integers from 1 to 100, inclusive?
  • 49
  • 49.5
  • 50
  • 50.5✔️
Correct Answer Explanation
Average \(= \dfrac{\text{first} + \text{last}}{2} = \dfrac{1 + 100}{2} = \dfrac{101}{2} = 50.5\)