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The average of 8 numbers is 50. If one number is increased by 10, what will be t

Practice Questions

Q1
The average of 8 numbers is 50. If one number is increased by 10, what will be the new average?
  1. 50
  2. 51
  3. 52
  4. 53

Questions & Step-by-Step Solutions

The average of 8 numbers is 50. If one number is increased by 10, what will be the new average?
Correct Answer: 51
  • Step 1: Find the total of the 8 numbers. Since the average is 50, multiply 50 by 8. This gives you 400.
  • Step 2: Increase one of the numbers by 10. So, add 10 to the total you found in Step 1. This gives you a new total of 410.
  • Step 3: To find the new average, divide the new total (410) by the number of numbers (8). This gives you 51.25.
  • Step 4: Round 51.25 to the nearest whole number, which is approximately 51.
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