GED - General Educational Development Math Test #8 1 — Questions and Answers
Question 1: What is 15% of 240?
- 24
- 36 (Correct answer)
- 48
- 60
Correct answer: 36
Convert 15% to a decimal: 0.15 × 240 = 36.
Question 2: Solve for x: 2x + 7 = 19
- x = 3
- x = 6 (Correct answer)
- x = 13
- x = 26
Correct answer: x = 6
Subtract 7 from both sides: 2x = 12. Divide both sides by 2: x = 6.
Question 3: A triangle has a base of 10 cm and a height of 6 cm. What is its area?
- 16 cm²
- 30 cm² (Correct answer)
- 60 cm²
- 120 cm²
Correct answer: 30 cm²
Area of a triangle = ½ × base × height = ½ × 10 × 6 = 30 cm².
Question 4: A student's five quiz scores are 72, 85, 90, 68, and 80. What is the median score?
- 72
- 79
- 80 (Correct answer)
- 85
Correct answer: 80
Arranged in order: 68, 72, 80, 85, 90. The middle value (3rd of 5) is 80.
Question 5: Simplify: 4² + √36 − 3 × 2
- 10
- 16 (Correct answer)
- 18
- 22
Correct answer: 16
Following order of operations: 4² = 16, √36 = 6, 3 × 2 = 6. Then 16 + 6 − 6 = 16.
Question 6: Maria drives 150 miles in 2.5 hours. What is her average speed in miles per hour?
- 50 mph
- 55 mph
- 60 mph (Correct answer)
- 75 mph
Correct answer: 60 mph
Speed = distance ÷ time = 150 ÷ 2.5 = 60 mph.
GED - General Educational Development Math Test #8 1
What is 15% of 240?