SAT MATHS QUESTION #2
Level
2
In a list of four positive even numbers, the mean, median and mode are all equal. Which of the following CANNOT be done to the list if the mean, median and mode are to remain equal?
Remove the first and the last numbers from the list.
Add one number to the list.
Add one number to the list that is greater than the mean.
Add 2 to each number in the list
Add two distinct numbers to the list.
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