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The average of five numbers is 20. If one number is removed, the average becomes 18. What is the number removed?

Practice Questions

1 question
Q1
The average of five numbers is 20. If one number is removed, the average becomes 18. What is the number removed?
  1. 22
  2. 24
  3. 20
  4. 18

Questions & Step-by-step Solutions

1 item
Q
Q: The average of five numbers is 20. If one number is removed, the average becomes 18. What is the number removed?
Solution: Total of five numbers = 5 * 20 = 100. Total of four numbers = 4 * 18 = 72. Number removed = 100 - 72 = 28.
Steps: 0

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