TerraNova Mathematics 1 — Questions and Answers
Question 1: A student earns $12.50 per hour and works 8 hours. How much does the student earn in total?
- $100.00 (Correct answer)
- $96.00
- $108.00
- $112.50
Correct answer: $100.00
Multiply $12.50 by 8 hours to get $100.00.
Question 2: Which fraction is equivalent to 0.75?
- 3/4 (Correct answer)
- 2/3
- 1/4
- 7/10
Correct answer: 3/4
0.75 equals 75/100, which simplifies to 3/4.
Question 3: A rectangle has a length of 9 cm and a width of 5 cm. What is its area?
- 45 sq cm (Correct answer)
- 28 sq cm
- 40 sq cm
- 50 sq cm
Correct answer: 45 sq cm
Area of a rectangle = length × width = 9 × 5 = 45 sq cm.
Question 4: What is 15% of 200?
- 30 (Correct answer)
- 25
- 35
- 20
Correct answer: 30
15% of 200 = 0.15 × 200 = 30.
Question 5: If x + 7 = 15, what is the value of x?
- 8 (Correct answer)
- 7
- 9
- 22
Correct answer: 8
Subtract 7 from both sides: x = 15 − 7 = 8.
Question 6: A bag contains 4 red marbles and 6 blue marbles. What is the probability of randomly picking a red marble?
- 2/5 (Correct answer)
- 3/5
- 1/4
- 1/2
Correct answer: 2/5
Probability = 4 red ÷ 10 total = 4/10 = 2/5.
A student earns $12.50 per hour and works 8 hours.
How much does the student earn in total?