2015年7月10日的年月GRE考試就要開始了，下面出國留學網小編為大家整理了2015年7月10日GRE數學真題預測，數學歡迎參考。真題

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2015年7月10日GRE數學真題預測：

1. Brand R coffee costs $3.25 per pound and brand T coffee costs $2.50 per pound.The預測 number of pounds of brand R in a mixture of brands R and T that costs $3.00 per pound.

A. 1

B. 2

C. 3

D. 1.2

2.A widow received 1/3 of her husband s estate, and each of her three sons received 1/3 of the balance. If the widow and one of her sons received a total of $60,000 from the estate, what was the amount of the estate?

A.$90,000

B.$96,000

C.$108,000

D.$135,000

E.$180,000

3.The charge for a telephone call made at 10:00 a.m. from City Y to City X is $0.50 for the first minute and $0.34 for each additional minute. At these rates, what is the difference between the total cost of three 5-minute calls and the cost of one 15-minute call?

A.$0.00

B. $0.16

C. $0.32

D. $0.48

E. $1.00

4.What was the original price of an item if a discount of 20 percent reduced the price to $100?

A.$80

B.$120

C.$125

D.$150

E.$250

5.Mechanical toy cars A, B, and C, each traveling at its own uniform rate, started from the same point at the same time and raced a 400-meter course.

When A crossed the finish line. B was 40 meters behind A, and C was 58 meters behind A.

When B crossed the finish line, how many meters was C from the finish line?

A.16

B.18

C.19

D.20

E.22

6.The daily rate for a hotel room that sleeps 4 people is $39 for one person and x dollars for each additional person. If 3 people take the room for one day and each pays $21 for the room, what is the value of x?

A.6

B.8

C.12

D.13

E.24

7.A research scientist wants to study a certain attribute of dogs. It is estimated that approximately 5 percent of all dogs have this attribute. If the scientist wants to study a sample of N dogs having the attribute, approximately how many dogs should be screened in order to obtain the desired sample size?

A.N/5

B.5N

C.20N

D.105N

E.120N