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

Answer(s): C
Explanation: There are 2 prime numbers between 10 and 15: 11 and 13. The integer 33 has 2
prime factors: 3 and 11.
QUESTION: 6

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): A
Explanation: Given n = 2, the 25th term of Set R = 25n + 25 = 25(2) + 25 = 75. Given n = 2, the
24th term of Set S = n + 23 = 2 + 23 = 25, and two times that 24th term is 50.
QUESTION: 7

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: There's no need to calculate either quantity, and you can cancel the product st
from both columns. To make the comparison, observe the place-value shifts from the decimal
number 9.3. In Column A, the decimal point shifts 3 places left (9,300) and 3 places right
(.0093), so the quantity is equivalent to (9.3) (9.3). You can now see that Quantity B, which is
(9.3)(9.3), is the same as Quantity A.
QUESTION: 8

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