TACHS Mathematics 3 — Questions and Answers
Question 1: What is 0.6 written as a fraction in lowest terms?
- 3/5 (Correct answer)
- 6/100
- 2/3
- 1/6
Correct answer: 3/5
0.6 = 6/10 = 3/5 after simplifying.
Question 2: If a car travels 150 miles in 3 hours, what is its average speed?
- 50 mph (Correct answer)
- 45 mph
- 60 mph
- 30 mph
Correct answer: 50 mph
Speed = distance ÷ time = 150 ÷ 3 = 50.
Question 3: What is the perimeter of a square with side length 9 inches?
- 36 in (Correct answer)
- 81 in
- 18 in
- 27 in
Correct answer: 36 in
Perimeter = 4 × 9 = 36 inches.
Question 4: What is 15% of 200?
- 30 (Correct answer)
- 15
- 35
- 20
Correct answer: 30
0.15 × 200 = 30.
Question 5: Which number is prime?
- 17 (Correct answer)
- 21
- 15
- 9
Correct answer: 17
17 has only 1 and itself as factors.
Question 6: Solve for y: y/4 = 6.
- 24 (Correct answer)
- 10
- 2
- 1.5
Correct answer: 24
Multiply both sides by 4 to get y = 24.
Question 7: What is the least common multiple of 4 and 6?
- 12 (Correct answer)
- 24
- 6
- 8
Correct answer: 12
12 is the smallest number divisible by both 4 and 6.
What is 0.6 written as a fraction in lowest terms?