College Math Placement Test Arithmetic 2 — Questions and Answers
Question 1: What is 15% of 240?
- 30
- 36 (Correct answer)
- 34
- 32
Correct answer: 36
15% of 240 = 0.15 × 240 = 36.
Question 2: Simplify: 7/8 ÷ 7/16
- 1/2
- 2 (Correct answer)
- 49/128
- 1
Correct answer: 2
Dividing fractions: 7/8 × 16/7 = 16/8 = 2.
Question 3: A price increased from $45 to $54. What is the percent increase?
- 16.7%
- 20% (Correct answer)
- 18%
- 25%
Correct answer: 20%
Percent increase = (54 − 45)/45 × 100 = 9/45 × 100 = 20%.
Question 4: What is the least common multiple (LCM) of 6 and 8?
- 12
- 48
- 24 (Correct answer)
- 16
Correct answer: 24
The LCM of 6 and 8 is 24, since 24 is the smallest number divisible by both.
Question 5: Evaluate: −3 + (−5) × 2
- −16
- −13 (Correct answer)
- 4
- −3
Correct answer: −13
By order of operations, multiply first: −5 × 2 = −10, then −3 + (−10) = −13.
Question 6: Which of the following is equivalent to 0.625?
- 5/9
- 5/8 (Correct answer)
- 3/5
- 7/11
Correct answer: 5/8
0.625 = 625/1000 = 5/8 after simplifying by dividing numerator and denominator by 125.
Question 7: A recipe calls for 2⅓ cups of flour. If you triple the recipe, how many cups do you need?
- 6 cups
- 7 cups (Correct answer)
- 6⅔ cups
- 7⅓ cups
Correct answer: 7 cups
2⅓ = 7/3; tripling gives 7/3 × 3 = 7 cups.
