GRE Math Quantitative Comparisons Question 392

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Source: PP2

The average (arithmetic mean) of 100 measurements is 23, and the average of 50 additional measurements is 27.

Quantity A

The average of the 150 measurements

Quantity B


  • 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.

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