Ratios and Proportional Relationships
If 3/4 of a number is 18, what is the number?
A) 24
B) 20
C) 22
D) 21
A) 24
Evaluate: -3 + 7.
A) -10
B) -4
C) 4
D) 10
C) 4
Solve for x: 2x + 5 = 15.
A) 5
B) 10
C) 7.5
D) 2.5
A) 5
What is the area of a triangle with a base of 10 cm and a height of 5 cm?
A) 25 cm²
B) 50 cm²
C) 15 cm²
D) 20 cm²
A) 25 squared cm
Find the mean of the following data set: 2, 4, 6, 8, 10.
A) 5
B) 6
C) 7
D) 8
B) 6
Solve the proportion: 5/x = 15/45. What is x?
A) 10
B) 15
C) 20
D) 25
B)15
Simplify: 2 × (-5) ÷ 2.
A) -5
B) 5
C) -10
D) 10
A) -5
Simplify: 3(2x - 4) + 5.
A) 6x - 12 + 5
B) 6x - 12 + 15
C) 6x - 9
D) 6x - 7
D) 6x - 7
Find the volume of a rectangular prism with length 4 cm, width 3 cm, and height 2 cm.
A) 24 cm³
B) 12 cm³
C) 8 cm³
D) 6 cm³
A) 24 cubed cm
What is the median of the following data set: 3, 7, 9, 12, 15?
A) 7
B) 9
C) 12
D) 15
B) 9
A recipe calls for 2 cups of flour for every 3 cups of sugar. How many cups of sugar are needed for 8 cups of flour?
A) 10
B) 12
C) 14
D) 16
B) 12
Subtract: -8 - (-3).
A) -5
B) -11
C) 5
D) 11
A) -5
Which of the following is equivalent to 4(x - 3) + 2x?
A) 4x - 12 + 2x
B) 4x - 12 + 2x + 3
C) 6x - 12
D) 6x + 12
C) 6x - 12
The circumference of a circle is 31.4 cm. What is the radius? (Use π ≈ 3.14)
A) 5 cm
B) 7 cm
C) 10 cm
D) 15 cm
A) 5 cm
The numbers in a set are: 5, 7, 3, 10, and 5. What is the mean?
A) 6
B) 5
C) 4
D) 7
A) 6
The ratio of boys to girls in a class is 3:4. If there are 21 boys, how many girls are there?
A) 24
B) 28
C) 30
D) 35
B) 28
Multiply: (-4) × (-6).
A) 24
B) -24
C) -10
D) 10
A) 24
Solve: 3x - 7 = 2x + 5.
A) x = 12
B) x = 10
C) x = 8
D) x = 6
A) x = 12
Which of the following is a property of a parallelogram?
A) All angles are 90 degrees.
B) Opposite sides are equal and parallel.
C) All sides are equal.
D) Diagonals are equal.
B) Opposite sides are equal and parallel
If a die is rolled, what is the probability of rolling an even number?
A) 1/2
B) 1/3
C) 1/6
D) 1/4
A) 1/2
A recipe uses 3 cups of flour for every 4 cups of sugar. If you use 12 cups of flour, how much sugar do you need?
A) 16
B) 12
C) 9
D) 6
A) 16
What is the value of:
−6+3×4-6 + 3 \times 4?
A) 6
B) 18
C) -6
D) 6
A) 6
What is the value of the expression:
4(3x−2) when x= 5?
A) 46
B) 56
C) 48
D) 52
D) 52
What is the volume of a rectangular prism with length = 5 cm, width = 3 cm, and height = 2 cm?
A) 10 cm³
B) 15 cm³
C) 30 cm³
D) 60 cm³
C) 30 cubed cm
If you roll two fair six-sided dice, what is the probability that at least one die shows a 3?
A) 1/6
B) 11/36
C) 2/36
D) 2/12
B) 11/36