The Mathematics Reviewer

1. A computer system is actually made up for actual physical machines known as __________.

a. Monitor

b. Printer

c. hardware

d. software

2. List the fractions 1/9, 2/15, and 3/15 from least to greatest.

a. 3/2 1, 1/9, 2/15

b. 1/9, 3/21/ 2/15

c. 1/9, 2/15/ 3/21

d. 2/15, 3/21, 1/9

3. Which of the following gives the sum of the polynomials (a² + b² + ab) and (3a²+4ab – 2b²)?

a. 4a²+b²+5ab

b. 3a² +5ab-2b²

c. 5a²+5b²+5ab

d. 4a²+5ab-b²

4. Of the 50 students enrolled in the subject, curriculum and instruction 90% took the final Examination at the end of the term. Two thirds of those who took the final examination passed. How many students passed the exam?

a. 33

b. 34

c. 45

d. 30

5. The entry of data and commands into the computer system is made possible through the __________.

a. printer

b. monitor

c. keyboard

d. diskette

6. If 4a = b, then a is equal to __________.

a. 4+b

b. b/4

c. 4b

d. 1/4b

7. If p is a positive integer in the equation 12p=q, then q must be a __________.

a. negative even integer

b. negative odd integer

c. positive odd integer

d. positive even integer

8. The arithmetic mean of a set of 50 numbers is 38. If two numbers, 45 and 55, are discarded. The mean of the remaining set of numbers is

a. 36.5

b. 37.0

c. 37.24

d. 37.5

9. Which of the following values is closest to the square root of 4000?

a. 22

b. 200

c. 63

d. 19

10. The value of the expression 3xy + 5y + 7 when x=2 and y=3 is __________.

a. 36

b. 34

c. 42

d. 40

11. if 5x>0, which of the following must be true?

I. x<0 II. 1/x > 0 III. –x<0

a. II. Only

b. I and II

c. II and III

d. I only

12. A cube is rectangular solid, the length, with and height of which have the same measure called the edge (e) of the cube. The volume of the cube is found by “cubing” the measure of the edge. What is the volume of the cube whose edge is 4cm?

a. 27cm³

b. 206cm³

c. 64 cm³

d. 125cm³

13. While attempting to explain the role of imitation in language acquisition, investigators studied the different aspects of language development. An inference which parents will make from this passage is that they should

a. be concerned when a child imitates their language

b. should be unconcerned as imitation is too complex

c. realize that their child’s imitations may reflect several aspects of language acquisition

d. realize that their talking may over-stimulate their child’s activities.

14. If a function is defined by the set of ordered pairs (1,2), 2,4), (3,8), (4,16), (5,y), then the value of Y is __________.

a. 10

b. 20

c. 32

d. 25

15. If n<m and a<b then ____

a. n+a>m + b

b. n=a

c. m = b

d. n+a < m+b

16. Why is 1/ 5 called a unit fraction?

a. The number 5 is the denominator

b. The unit is less than one

c. Unit fractions have 1 as the numerator

d. It is between 0 and 1, the basic unit.

17. The amount of simple interest denoted by “I” paid by the bank on a savings account, uses which of these formulas?

a. I= principal invested x annual rate of interest x months

b. I= principal invested x annual rate of interest x years

c. I = Principal invested x annual rate of interest x years x months

d. I = principal invested x annual rate of the interest

18. If the scores in Mathematics test of 45 students are arranged from the highest to the lowest, the 23rd score is the __________.

a. mean

b. median

c. variance

d. mode

19. Express the integer 50 as percent.

a. 5%

b. 50%

c. 500%

d. 5000%

20. To find the perimeter (P) of a rectangle that has length of 16 inches and a width of 12 inches, which of the following equations can be used?

a. P=2 (16) (12)

b. P =2(16) + (12)

c. P= (16) + (12)

d. P= 2 (16) + 12)

21. Which of the following illustrates the procedure and correct answer of multiplying 2½ x 3 2/3?

a. =3/5 x 6/3 = 9/5 x 30/5 = 270/5 = 54

b. 2/5 x 3/11 = 5/50 x 30/50 = 150/5 = 30

c. 5/2 x 11/3 = 55/6 = 9 1/6

d. 2/3 x 5/2 = 4/6 x 15/6 = 60/6 = 10

22. What is cube root? (32 x 3)?

a. 9

b. 3x3

c. 27

d. 3

23. A vehicle consumes one liter of gasoline to travel 10 kilometers. After a tune-up, it travels 15% farther on one liter. To the nearest tenth, how many liters of gasoline will it take for the vehicle to travel 230 kilometers?

a. 20.15

b. 23 liters

c. 23.15 liters

d. 20 liters

24. A rectangular solid is right-angled figure that has length, width and height. Find the volume of a rectangular solid whose: length = 6cm, width = 4cm, height = 3cm.

a. 90 cm3

b. 48cm3

c. 72cm3

d. d.20cm3

25. If the score of 10 students are: 76,80,75,83,80,79,85,80,88,90 the mode is __________.

a. 85

b. 79

c. 88

d. 80

26. A rectangle has sides of 10 and 12 units. How can the area of a square be computed if it has the same perimeter of the rectangle?

a. Add 10 and 12, double the sum, divide by 4, then multiply by 4.

b. Add 10 and 12, double the sum, then multiply by 4

c. Add 10 and 12, double the sum, divide by 4, then square the quotient

d. Add 10 and 12, double the sum, divide by 4, then multiply by

27. The ratio of men to women at Mabuhay High school is 3:7. If there are 6,153 women in the said school, how many men are at Mabuhay High School?

a. 2,051

b. 2,637

c. 879

d. 1.895

28. Which of the following is the numerical form for “twenty thousand twenty”?

a. 2,020

b. 2,000,020

c. 20,020

d. 20, 000, 20

29. If each of the five members in a basketball team shakes hands with every other member of the team before the game starts, how many handshakes will there be I’m all?

a. 6

b. 8

c. 10

d. 9

30. How many twenty thousand are there in one million?

a. 100

b. 500

c. 50

d. 1000

31. A number which is divisible only by itself and I is called prime. Which of the following are prime?

I.9 II.3 III. 113 IV. 121

a. II, III and IV only

b. I and II only

c. II and III only

d. All are prime

32. Change the following percent’s to decimals: 23%, 5%, 3%,3.5%

a. 2.3, .500, .30, 30.5

b. 23, .05, .03, .035

c. 23, 50, 03, 3.05

d. 023, 5.00, 3.0, 03.5

33. What is the range of the following: 86, 70, 83, 90, 85, 78, 79, 81,87.

a. 12

b. 15

c. 16

d. 20

34. Multiple regression equation analysis in a study revealed the relative contribution of story elements to reading achievement, and that the contribution of these story elements is substantial. Which of the following conclusions about the correlation of story elements to reading achievement is suggested in the finding?

a. That other important story elements be included in the analysis

b. That story elements are important variables to consider in reading achievement

c. That correlation of 1.0 is needed for this study to be significant

d. That there is a little variance between story elements and reading achievement

35. What value of x will satisfy the equation 5x + 7 = 3x – 9?

a. x=-16

b. x = +8

c. x=10

d. x=8