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If the average of 5 numbers is 40 and one number is 60, what is the average of t

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Question: If the average of 5 numbers is 40 and one number is 60, what is the average of the remaining four numbers?

Options:

  1. 35
  2. 40
  3. 45
  4. 50

Correct Answer: 35

Solution: 

Total of 5 numbers = 5 * 40 = 200. Total of remaining four = 200 - 60 = 140. New average = 140 / 4 = 35.

If the average of 5 numbers is 40 and one number is 60, what is the average of t

Practice Questions

Q1
If the average of 5 numbers is 40 and one number is 60, what is the average of the remaining four numbers?
  1. 35
  2. 40
  3. 45
  4. 50

Questions & Step-by-Step Solutions

If the average of 5 numbers is 40 and one number is 60, what is the average of the remaining four numbers?
  • Step 1: Understand that the average of 5 numbers is 40.
  • Step 2: Calculate the total of the 5 numbers by multiplying the average by the number of numbers: 5 * 40 = 200.
  • Step 3: Identify that one of the numbers is 60.
  • Step 4: Subtract the number 60 from the total of the 5 numbers to find the total of the remaining 4 numbers: 200 - 60 = 140.
  • Step 5: Calculate the average of the remaining 4 numbers by dividing their total by 4: 140 / 4 = 35.
  • Average Calculation – Understanding how to calculate the average of a set of numbers by using the total sum and the number of elements.
  • Subtraction of Values – Knowing how to subtract a specific value from a total to find the sum of the remaining values.
  • Division for Average – Using division to find the average of a smaller set of numbers after determining their total.
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