Question 54
MediumOriginal questionThe average of 12 numbers is 45. When two of the numbers are removed, the average of the remaining 10 numbers is 44. What is the average of the two numbers removed?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Total of .
Total of remaining .
The two removed numbers add up to 100, so their average is 50.
Worth noting
Removing them made the average fall, so they must be ABOVE 45 on average; 44 and 44.5 cannot be right.
- Concept
- Average of the values removed
- Typical timeTypical
- 50 s
- Your timeYours
- —
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