GRE Math Quantitative Comparisons Question 944

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The average (arithmetic mean) of a set of mean daily temperatures for x days is 70 degrees. When a mean daily temperature of 75 degrees is added to this set, the average increases to 71 degrees.

Quantity A


Quantity B


  • A Quantity A is greater.
  • B Quantity B is greater.
  • C The two quantities are equal.
  • D The relationship cannot be determined from the information given.

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