SSAT数学每日一练（7.21）

　　下面是今天的SSAT数学每日一练的习题，希望大家能在每日的练习中不断提升自己的实力。

　　1. Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?

　　A. 2 hours

　　B. 4 hours and 30 minutes

　　C. 5 hours ans 30 minutes

　　D. 6 hours

　　E. 7 hours and 30 minutes

　　2. Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1.5 hours. How quickly can all three fill the pool together?

　　A. 12 minutes

　　B. 15 minutes

　　C. 21 minutes

　　D. 23 minutes

　　E. 28 minutes

　　3. The town of Cedar Hill has 750 television sets. If there are 1.5 television sets

　　for each person, what is the population of Cedar Hill?

　　A. 1100

　　B. 1125

　　C. 500

　　D. 1000

　　E. 1200

　　4. A study reported that in a random sampling of 100 women over the age of 35 showed that 8 of the women were married 2 or more times. Based on the study results, how many women in a group of 5,000 women over the age of 35 would likely be married 2 or more times?

　　A. 55

　　B. 150

　　C. 200

　　D. 400

　　E. 600

　　5. If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?

　　A. 0.8 days

　　B. 1.09 days

　　C. 1.23 days

　　D. 1.65 days

　　答案：

　　1、B 2、B 3、C 4、D 5、B

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