CBEST Mathematics 5 — Questions and Answers
Question 1: A coat originally priced at $120 is on sale for 25% off. What is the sale price?
- $85
- $90 (Correct answer)
- $95
- $100
Correct answer: $90
25% of $120 = $30 discount; $120 − $30 = $90.
Question 2: Solve for n: n/6 + 2 = 5
- 12
- 15
- 18 (Correct answer)
- 21
Correct answer: 18
n/6 = 3, so n = 18.
Question 3: The bar graph shows students scored: 70, 75, 80, 80, 85, 90, 90, 90, 95. What is the mode?
- 80
- 85
- 90 (Correct answer)
- 95
Correct answer: 90
90 appears three times, more than any other value, making it the mode.
Question 4: What is 2/3 ÷ 4/9?
- 3/2 (Correct answer)
- 8/27
- 6/7
- 2/3
Correct answer: 3/2
2/3 ÷ 4/9 = 2/3 × 9/4 = 18/12 = 3/2.
Question 5: A cylinder has a radius of 3 cm and a height of 10 cm. What is its volume? (Use π ≈ 3.14)
- 94.2 cm³
- 188.4 cm³
- 282.6 cm³ (Correct answer)
- 942 cm³
Correct answer: 282.6 cm³
V = π r² h = 3.14 × 9 × 10 = 282.6 cm³.
Question 6: If a number is increased by 20% and the result is 96, what was the original number?
- 76
- 78
- 80 (Correct answer)
- 82
Correct answer: 80
Let x be the original number; 1.20x = 96, so x = 80.
Question 7: Which inequality represents 'a number is at most 15'?
- n > 15
- n < 15
- n ≥ 15
- n ≤ 15 (Correct answer)
Correct answer: n ≤ 15
'At most 15' means less than or equal to 15, written as n ≤ 15.
CBEST Mathematics 5
A coat originally priced at $120 is on sale for 25% off.
What is the sale price?