# Quizdom Posttest Sample Questions

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Quizzes Created: 2 | Total Attempts: 1,917
Questions: 9 | Attempts: 216  Settings  Sample Questions taken from Quizdom posttest. Quizdom is the remote control response system we will be using this year. There is a pretest and posttest that will be used to monitor student progress throughout the year with this system as a supplemental tool.

• 1.

### Marki went to Angle E and bought a pair of pants that normally sold for \$58.00, but today were discounted 40%. How much money did she save?

• A.

\$22.60

• B.

\$23.20

• C.

\$36.00

• D.

\$18.20

B. \$23.20
Explanation
Marki saved \$23.20. To find the amount of money saved, we need to calculate 40% of the original price. 40% of \$58.00 is \$23.20.

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• 2.

### The square root of 223 is between:

• A.

14 and 15

• B.

11 and 12

• C.

18 and 19

• D.

15 and 16

A. 14 and 15
Explanation
To find the square root of 223, we can estimate it by considering the perfect squares around it. The perfect squares closest to 223 are 196 (14^2) and 225 (15^2). Since 223 is closer to 225 than 196, the square root of 223 must be between 14 and 15.

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• 3.

### The volume of a cube is 8 cubic feet. How much is that in cubic inches?

• A.

1,728 cubic inches

• B.

512 cubic inches

• C.

64 cubic inches

• D.

13,824 cubic inches

D. 13,824 cubic inches
Explanation
The volume of a cube is calculated by multiplying the length of one side by itself three times. In this case, if the volume of the cube is 8 cubic feet, we need to convert this measurement to cubic inches. Since there are 12 inches in a foot, we can calculate the volume in cubic inches by multiplying 8 by 12 cubed (12 x 12 x 12), which equals 13,824 cubic inches.

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• 4.

### If the lateral surface of a cylinder were unrolled, what shape would be seen?

• A.

Circle

• B.

Rectangle

• C.

Ellipse

• D.

Trapezoid

B. Rectangle
Explanation
If the lateral surface of a cylinder were unrolled, it would form a rectangle. This is because the lateral surface of a cylinder is a curved surface that wraps around the cylinder's curved shape. When this surface is unrolled, it becomes a flat, straight shape, which is a rectangle.

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• 5.

### Cat, the burglar hunter, drove 400 miles in 6 hours to catch her prey. Assuming she maintained constant speed, what was her driving rate?

• A.

70 mi/hr

• B.

56 1/3 mi/hr

• C.

66 2/3 mi/hr

• D.

67 mi/hr

C. 66 2/3 mi/hr
Explanation
Cat drove 400 miles in 6 hours, so her driving rate can be calculated by dividing the total distance by the total time. 400 miles divided by 6 hours equals 66 2/3 miles per hour.

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• 6.

### Ted described a set of numbers to a friend over the phone. He used these descriptions: drive me crazy because there's no pattern, does not repeat or terminate. Which set of numbers is he describing?

• A.

Natural #'s

• B.

Whole #'s

• C.

Irrational #'s

• D.

Rational #'s

C. Irrational #'s
Explanation
The set of numbers that Ted is describing is the set of irrational numbers. Irrational numbers are numbers that cannot be expressed as a fraction or a ratio of two integers. They do not have a repeating or terminating decimal representation and do not follow a specific pattern. Examples of irrational numbers include √2, π, and e.

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• 7.

### Solve this expression 3 x 4 + 6 x 2 - 3 x 5 (the x is used to represent multiplication in this problem - it is not used as a variable)

• A.

285

• B.

-18

• C.

15

• D.

9

D. 9
Explanation
The given expression is solved using the order of operations, which states that multiplication and division should be performed before addition and subtraction. First, we perform the multiplications: 3 x 4 = 12 and 6 x 2 = 12. Then, we perform the subtractions: 12 - 15 = -3. Finally, we perform the addition: -3 + 9 = 6. Therefore, the correct answer is 6, not 9.

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• 8.

### Brian is seeking donations for a charitable organization. He receives \$25, \$60, \$30, \$55, \$15, \$60, and \$35. What is the mean of the donations?

• A.

\$70

• B.

\$35

• C.

\$40

• D.

\$60

C. \$40
Explanation
The mean of a set of numbers is found by adding up all the numbers and then dividing by the total number of values. In this case, the sum of the donations is \$25 + \$60 + \$30 + \$55 + \$15 + \$60 + \$35 = \$280. Since there are 7 donations, the mean is \$280 divided by 7, which equals \$40.

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• 9.

### How many different ways can you arrange the letters in the word MATH?

• A.

8 ways

• B.

12 ways

• C.

16 ways

• D.

24 ways

D. 24 ways
Explanation
The word "MATH" has 4 letters. To find the number of different ways we can arrange these letters, we can use the formula for permutations, which is n! (n factorial). In this case, n = 4, so 4! = 4 x 3 x 2 x 1 = 24. Therefore, there are 24 different ways to arrange the letters in the word "MATH".

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