2015年7月10日的GRE考試就要開(kāi)始了，下面出國(guó)留學(xué)網(wǎng)小編為大家整理了2015年7月10日GRE數(shù)學(xué)真題預(yù)測(cè)，歡迎參考。
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2015年7月10日GRE數(shù)學(xué)真題預(yù)測(cè)：
1. Brand R coffee costs $3.25 per pound and brand T coffee costs $2.50 per pound.The 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