GRE Math Quantitative Comparisons Question 392
The average (arithmetic mean) of 100 measurements is 23, and the average of 50 additional measurements is 27.
The average of the 150 measurements
- A The quantity in Column A is greater
- B The quantity in Column B is greater
- C The two quantities are equal.
- D The relationship cannot be determined from the information given.
Correct Answer: B