Thursday, September 27, 2018

LET REVIEW GENERAL EDUCATION – MATHEMATICS A

LET REVIEW: GENERAL EDUCATION – MATHEMATICS A

1. The prices of plasma televisions at an electronics store are shown below.
$1,544   $1,242  $2,285    $1,116   $1,899   $1,649   $1,423   $1,242
What is the range of the prices of these plasma televisions?

A. $1,043
B. $1,169
C. $1,242
D. $1,484

2. Which expression is a binomial?

A. p2
B. 3w
C. 3w + 1
D. 3p2 + 2p + 2

3. A box contains 6 red pens and 4 blue pens. Tom randomly picks a pen from
the box and keeps it. Then Todd randomly picks a pen from the box. What is the
probability both boys will pick red pens?

A. 1/3
B. 9/25
C. 1/30
D. 1/36

4. Simplify the expression below.
–4x - (–x)

A. 5x
B. 3x
C. –3x
D. –5x

5. What is the value of the expression?
2 + 32 + | –4 |

A. 7
B. 12
C. 15
D. 29

6. Derek has 12 shirts in his closet. If 2 out of every 3 of these shirts are striped,
how many striped shirts does Derek have in his closet?

A. 2
B. 8
C. 11
D. 18

7. Joan flipped a coin 100 times during a mathematics experiment. The coin landed
on tails 36 times. Based on Joan’s results, which of these statements is true?

A. The coin landed on tails more than expected.
B. The coin landed on heads less than expected.
C. The coin landed on heads more than tails.
D. The coin landed on heads less than tails

8. Helen is preparing candy bags for the children at a party. She has 2 flavors of lollipops, 4 types of candy bars, and 6 flavors of chewy candies. If each bag contains 1 piece of each kind of candy, what is the total number of possible candy combinations for the bags?

A. 12
B. 15
C. 36
D. 48

9. Mario walks his dog once every 8 days in the park, while Todd walks his dog once every 14 days. Today, both Mario and Todd walked their dogs in the park. In how many more days will both boys walk their dogs in the park on the same day?

A. 2 days
B. 22 days
C. 56 days
D. 112 days     

10. Randy spins the arrow on a spinner with 5 equal sections labeled A, B, C, D, and E.
Then, he rolls a 6-sided number cube with sides numbered 1 through 6. What is the
probability that the arrow will stop on the letter A and the number cube will show
the number 4?

A.1/30
B. 1/11
C. 1/6
D. 1/5

11. A scientist discovers a dinosaur bone that is 7 x 107 years old. What is this number in standard form?

A. 7,000,000
B. 7,100,000
C. 70,000,000
D. 71,000,000

12. Jeffrey wants to measure the mass of his fish tank. Which tool is best for him to use?

A. ruler
B. scale
C. tape measure
D. measuring cup

13. The square root of a number is between 8 and 9. Which of these could be that number?

A. 17
B. 63
C. 71
D. 89

14. Which number is an irrational number?

A. square root of 3 
B.  – 3.5
C.  3/7
D.  2/ square root of 9

15. A spinner is divided into five equal sections numbered 1 through 5. Predict how many times out of 240 spins the spinner is most likely to stop on an odd number.

A. 80
B. 96
C. 144
D. 192

16. Cardo designs a sprinkler system for his yard. One rotation of the sprinkler waters a circle with an area of 225π square feet. What is the radius, r, of the circle the rotating sprinkler waters?

A. 15 feet
B. 25 feet
C. 30 feet
D. 47 feet

17. Which of the following is a metric unit for measuring mass?
A. meter
B. liter
C. pound
D. gram

18. The post office uses address tags with 3-letter city codes. The first and the last letters of each code are always consonants and the middle letter is always a vowel. The English language uses 21 consonants and 5 vowels. How many different combinations of tag codes are possible?

A. 105
B. 441
C. 2100
D. 2205

19. In a class of 30 students, there are 17 girls and 13 boys. Five are A students, and three of these students are girls. If a student is chosen at random, what is the probability of choosing a girl or an A student?

A. 19/30
B. 11/15
C. 17/180
D. None of the above

20. Which of the following experiments does NOT have equally likely outcomes?

A. Choose a number at random from 1 to 7.
B. Toss a coin.
C. Choose a letter at random from the word SCHOOL
D. None of the above

21. In a shipment of 100 televisions, 6 are defective. If a person buys two televisions from that shipment, what is the probability that both are defective?

A. 3/100
B. 9/2500
C. 1/330
D. None of the above.

22. On a math test, 5 out of 20 students got an A. If three students are chosen at random without replacement, what is the probability that all three got an A on the test?

A. 1/114
B. 25/1368
C. 3/400
D. None of the above
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