ACT数学基础练习单选题19道.

2017-08-13 作者： 189阅读

　　下面是19道ACT数学基础练习题，均为单选题，第三页附有简单答案，请完成习题后参看答案。

　　1. If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?

　　A. 5/p

　　B. p - 5

　　C. p + 5

　　D. p/5

　　E. 1- p + 5

　　2. If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?

　　A. 2 hours and 24 minutes

　　B. 3 hours and 12 minutes

　　C. 3 hours and 44 minutes

　　D. 4 hours and 10 minutes

　　E. 4 hours and 33 minutes

　　3. Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?

　　A. $280.90

　　B. $287

　　C. $292.50

　　D. $306

　　E. $333.89

　　4. The sales price of a car is $12,590, which is 20% off the original price. What is the original price?

　　A. $14,310.40

　　B. $14,990.90

　　C. $15,290.70

　　D. $15,737.50

　　E. $16,935.80

　　5. Solve the following equation for A : 2A/3 = 8 + 4A

　　A. -2.4

　　B. 2.4

　　C. 1.3

　　D. -1.3

　　E. 0

　　6. If Leah is 6 years older than Sue, and John is 5 years older than Leah, and the total of their ages is 41. Then how old is Sue?

　　A. 8

　　B. 10

　　C. 14

　　D. 19

　　E. 21

　　7. Alfred wants to invest $4,000 at 6% simple interest rate for 5 years. How much interest will he receive?

　　A. $240

　　B. $480

　　C. $720

　　D. $960

　　E. $1,200

　　8. Jim is able to sell a hand-carved statue for $670 which was a 35% profit over his cost. How much did the statue originally cost him?

　　A. $496.30

　　B. $512.40

　　C. $555.40

　　D. $574.90

　　E. $588.20

　　9. The city council has decided to add a 0.3% tax on motel and hotel rooms. If a traveler spends the night in a motel room that costs $55 bore taxes, how much will the city receive in taxes from him?

　　A. 10 cents

　　B. 11 cents

　　C. 15 cents

　　D. 17 cents

　　E. 21 cents

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　　10. Simon arrived at work at 8:15 A.M. and lt work at 10: 30 P.M. If Simon gets paid by the hour at a rate of $10 and time and � for any hours worked over 8 in a day. How much did Simon get paid?

　　A. $120.25

　　B. $160.75

　　C. $173.75

　　D. $180

　　E. $182.50

　　11. Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?

　　A. 4

　　B. 8

　　C. 12

　　D. 13

　　E. 16

　　12. If r = 5 z then 15 z = 3 y, then r =

　　A. y

　　B. 2 y

　　C. 5 y

　　D. 10 y

　　E. 15 y

　　13. If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents at the same rate?

　　A. 150/x

　　B. 150x

　　C. 6x

　　D. 1500/x

　　E. 600x

　　14. Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make?

　　A. $57

　　B. $90

　　C. $104

　　D. $112

　　E. $122

　　15. If 8x + 5x + 2x + 4x = 114, the 5x + 3 =

　　A. 12

　　B. 25

　　C. 33

　　D. 47

　　E. 86

　　16. You need to purchase a textbook for nursing school. The book cost $80.00, and the sales tax where you are purchasing the book is 8.25%. You have $100. How much change will you receive back?

　　A. $5.20

　　B. $7.35

　　C. $13.40

　　D. $19.95

　　E. $21.25

　　17. You purchase a car making a down payment of $3,000 and 6 monthly payments of $225. How much have you paid so far for the car?

　　A. $3225

　　B. $4350

　　C. $5375

　　D. $6550

　　E. $6398

　　18. Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse&apos&aposs station. Pens are purchased in sets of 6 for $2.35 per pack. Staplers are sold in sets of 2 for 12.95. How much will purchasing these products cost?

　　A. $132.85

　　B. $145.75

　　C. $162.90

　　D. $225.25

　　E. $226.75

　　19. If y = 3, then y3(y3-y)=

　　A. 300

　　B. 459

　　C. 648

　　D. 999

　　E. 1099

�　　下页附有答案，请参看

　　Answer Key

　　1. A

　　2. A

　　3. D

　　4. D

　　5. A

　　6. A

　　7. E

　　8. A

　　9. D

　　10. C

　　11. D

　　12. A

　　13. A

　　14. B

　　15. C

　　16. C

　　17. B

　　18. A

　　19. C

ACT数学基础练习单选题19道ACT数学基础练习单选题19道ACT数学基础练习单选题19道