The average of eight numbers is 14. The average of six of these numbers is 16. The average of the remaining two numbers is:Options :4816Data Inadequate
Question
The average of eight numbers is 14. The average of six of these numbers is 16. The average of the remaining two numbers is:
Options:
- 48
- 16
- Data Inadequate
Solution
1. Break Down the Problem
We need to find the average of the remaining two numbers from a group of eight, given the overall average of the eight numbers and the average of six of these numbers.
2. Relevant Concepts
- The formula for the average:
3. Analysis and Detail
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Calculate the total sum of all eight numbers:
Since the average of the eight numbers is 14:
-
Calculate the total sum of the first six numbers:
Since the average of six of these numbers is 16:
-
Calculate the sum of the remaining two numbers:
-
Calculate the average of the remaining two numbers:
4. Verify and Summarize
We verified our calculations at each step, confirming the sums and averages based on the given information. The total calculations are accurate.
Final Answer
The average of the remaining two numbers is .
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