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The average of 5 numbers is 50. If the average of the first 3 numbers is 40, wha

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Question: The average of 5 numbers is 50. If the average of the first 3 numbers is 40, what is the average of the last 2 numbers?

Options:

  1. 60
  2. 70
  3. 80
  4. 90

Correct Answer: 70

Solution: 

Total of 5 numbers = 5 * 50 = 250. Total of first 3 numbers = 3 * 40 = 120. Total of last 2 numbers = 250 - 120 = 130. Average of last 2 numbers = 130 / 2 = 65.

The average of 5 numbers is 50. If the average of the first 3 numbers is 40, wha

Practice Questions

Q1
The average of 5 numbers is 50. If the average of the first 3 numbers is 40, what is the average of the last 2 numbers?
  1. 60
  2. 70
  3. 80
  4. 90

Questions & Step-by-Step Solutions

The average of 5 numbers is 50. If the average of the first 3 numbers is 40, what is the average of the last 2 numbers?
  • Averages – Understanding how to calculate the average of a set of numbers and how to derive totals from averages.
  • Basic Arithmetic – Performing addition and division to find totals and averages.
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