Free GRE GRE Section 2: Quantitative Exam Questions (page: 26)




GRE- Quantitative Reasoning
A. The quantity in Column A is greater;
B. The quantity in Column B is greater;
C. The quantities are equal;
D. The relationship cannot be determined from the information given.

Answer(s): C
Explanation: In Quantity A, divide by subtracting the denominator exponent from the numerator
exponent:
In Quantity B, combine by adding
exponents:
. You can now see that Quantity A equals Quantity B.
QUESTION: 59

A. The quantity in Column A is greater;
B. The quantity in Column B is greater;
C. The quantities are equal;
D. The relationship cannot be determined from the information given.

Answer(s): B
Explanation: To make the comparison, apply prime factorization:
As you can see, the greatest prime factor of 99 is 11, and the greatest prime factor of 39 is 13.
Therefore, Quantity B. Quantity A
QUESTION: 60


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