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If the average of 12 numbers is 24, what is the average if one number is increas

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Question: If the average of 12 numbers is 24, what is the average if one number is increased by 12?

Options:

  1. 25
  2. 26
  3. 27
  4. 28

Correct Answer: 26

Solution: 

Total of 12 numbers = 12 * 24 = 288. New total = 288 + 12 = 300. New average = 300 / 12 = 25.

If the average of 12 numbers is 24, what is the average if one number is increas

Practice Questions

Q1
If the average of 12 numbers is 24, what is the average if one number is increased by 12?
  1. 25
  2. 26
  3. 27
  4. 28

Questions & Step-by-Step Solutions

If the average of 12 numbers is 24, what is the average if one number is increased by 12?
  • Step 1: Calculate the total of the 12 numbers. Since the average is 24, multiply 24 by 12. This gives you 288.
  • Step 2: Increase one of the numbers by 12. Add 12 to the total you calculated in Step 1. So, 288 + 12 equals 300.
  • Step 3: Calculate the new average. Divide the new total (300) by the number of numbers (12). So, 300 divided by 12 equals 25.
  • Average Calculation – Understanding how to calculate the average of a set of numbers and how changes to the set affect the average.
  • Total Sum of Numbers – Calculating the total sum of numbers from the average and the number of elements.
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