GRE Math Quantitative Comparisons Question 310
In a group of 60 people, the average (arithmetic mean) age of the 40 females is 60, and the average age of the 20 males is 70.
Average age of all 60 people
- 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