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Q: If 40 is added to the list of natural numbers the average increased by 4. When 30 is added to the new list the average of the numbers in the new list increased by 1. How many numbers were there in the original list?
  • A. 4
  • B. 5
  • C. 8
  • D. 6
Correct Answer: Option A -
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Explanations:

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