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If the average of three numbers is 20 and one of the numbers is 30, what is the

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Question: If the average of three numbers is 20 and one of the numbers is 30, what is the average of the other two numbers?

Options:

  1. 10
  2. 15
  3. 20
  4. 25

Correct Answer: 25

Solution: 

Total of three numbers = 3 * 20 = 60. Sum of the other two numbers = 60 - 30 = 30. Average of the other two = 30 / 2 = 15.

If the average of three numbers is 20 and one of the numbers is 30, what is the

Practice Questions

Q1
If the average of three numbers is 20 and one of the numbers is 30, what is the average of the other two numbers?
  1. 10
  2. 15
  3. 20
  4. 25

Questions & Step-by-Step Solutions

If the average of three numbers is 20 and one of the numbers is 30, what is the average of the other two numbers?
  • Average Calculation – Understanding how to calculate the average of a set of numbers and how to manipulate sums to find missing values.
  • Basic Arithmetic – Applying basic arithmetic operations such as addition and division to solve for unknowns.
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