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Basic Mathematics QUESTION #2876
Question 1
The average of 4 numbers is 20. If a 5th number 30 is added, what is the new average?
  • 22✔️
  • 24
  • 25
  • 26
Correct Answer Explanation
Total sum of 4 numbers $= 4 \times 20 = 80$. New sum $= 80 + 30 = 110$. New average $= 110 / 5 = 22$.