NTN Mathematics 1 — Questions and Answers
Question 1: What is 15% of 240?
- 24
- 36 (Correct answer)
- 48
- 30
Correct answer: 36
15% of 240 = 0.15 × 240 = 36.
Question 2: A worker earns $18.50 per hour and works 40 hours in a week. What is the worker's gross weekly pay?
- $720.00
- $740.00 (Correct answer)
- $760.00
- $780.00
Correct answer: $740.00
$18.50 × 40 = $740.00.
Question 3: Solve for x: 3x + 7 = 22
- x = 3
- x = 4
- x = 5 (Correct answer)
- x = 6
Correct answer: x = 5
3x = 22 − 7 = 15, so x = 15 ÷ 3 = 5.
Question 4: A rectangle has a length of 12 feet and a width of 7 feet. What is its area?
- 38 sq ft
- 84 sq ft (Correct answer)
- 72 sq ft
- 96 sq ft
Correct answer: 84 sq ft
Area = length × width = 12 × 7 = 84 square feet.
Question 5: Which of the following is equivalent to 3/4?
- 0.34
- 0.75 (Correct answer)
- 0.43
- 0.70
Correct answer: 0.75
3 ÷ 4 = 0.75.
Question 6: If a car travels 270 miles in 4.5 hours, what is its average speed?
- 55 mph
- 60 mph (Correct answer)
- 65 mph
- 70 mph
Correct answer: 60 mph
Speed = distance ÷ time = 270 ÷ 4.5 = 60 mph.
NTN Mathematics 1
What is 15% of 240?