gre考试数学考试题及答案

1.The number of different prime factors of 48

The number of different prime factors of 72

答案：C

2.The number of different positive divisors of 12

The number of different positive divisors of 50

答案：C

3.The number that is as much greater than 63 as it is less than 101

答案：B

4. A K-number is a positive integer with the special property that 3 times its units' digit is equal to 2 times its tens' digit.

The number of K-numbers between 10 and 99

答案：C

5.Of the following which is greatest?

A.1/2

B.7/15

C.49/100

D.126/250

E.1999/4000

答案：D

6.If n=pqr, where p,q, and r are three different positive prime numbers, how many different positive divisors does n have, including 1 and n?

A.3

B.5

C.6

D.7

E.8

答案：E

7.A decrease of 1 in which of the factors above would result in the greatest decrease in the product?

A.11

B.13

C.17

D.19

E.23

答案：A

8.Which of the following numbers is not the sum of three consecutive odd integers?

A.15

B.75

C.123

D.297

E.313

答案：E

9.A dresser drawer contains 15 garments. If 40 percent of those garments are blouses, how many are not blouses?

A.6

B.8

C.9

D.10

E.12

答案：C

10.If a certain company purchased its computer terminals for a total of $540,400 and each of the terminals was purchased for $350, how many terminals did the company purchase?

A.1,624

B.1,544

C.1,434

D.1,384

E.1,264

答案：B

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