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The average of 5 numbers is 40. If the largest number is 60, what is the average

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Question: The average of 5 numbers is 40. If the largest number is 60, what is the average of the other four numbers?

Options:

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

Correct Answer: 35

Solution: 

The total of the 5 numbers is 5 * 40 = 200. The sum of the other four numbers is 200 - 60 = 140. The average of the other four numbers is 140 / 4 = 35.

The average of 5 numbers is 40. If the largest number is 60, what is the average

Practice Questions

Q1
The average of 5 numbers is 40. If the largest number is 60, what is the average of the other four numbers?
  1. 35
  2. 40
  3. 45
  4. 50

Questions & Step-by-Step Solutions

The average of 5 numbers is 40. If the largest number is 60, what is the average of the other four numbers?
Correct Answer: 35
  • 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 the largest number is 60.
  • Step 4: Find the sum of the other four numbers by subtracting the largest number from the total: 200 - 60 = 140.
  • Step 5: Calculate the average of the other four numbers by dividing their sum by 4: 140 / 4 = 35.
  • Average Calculation – Understanding how to calculate the average of a set of numbers by dividing the total sum by the count of numbers.
  • Total Sum from Average – Using the average to find the total sum of a set of numbers by multiplying the average by the number of elements.
  • Subtraction in Sums – Finding the sum of a subset of numbers by subtracting known values from the total sum.
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