Free GMAT Practice Question

Question 1 of 1
ID: GMAT-QR-PS-060
Section: Quantitative Reasoning - Problem Solving (PS)
Topic: Statistics-Median
Difficulty level: Hard

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List $L$ consists of $8$ distinct positive integers whose average (arithmetic mean) is $30$. List $M$ consists of the $8$ integers of $L$ together with one more integer equal to $30$. Which of the following must be true?

I. The average of the integers in $M$ equals the average of the integers in $L$.

II. The median of the integers in $M$ equals the median of the integers in $L$.

III. The range of the integers in $M$ equals the range of the integers in $L$.

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