Amazon MBA: Quantitative Reasoning 3 — Questions and Answers
Question 1: A bond pays 6% annual simple interest on $5,000. How much interest after 2 years?
- $300
- $600 (Correct answer)
- $612
- $500
Correct answer: $600
$5,000 × 0.06 × 2 = $600.
Question 2: What is the median of 4, 8, 15, 16, 23?
- 8
- 15 (Correct answer)
- 16
- 13.2
Correct answer: 15
The middle value of the ordered set is 15.
Question 3: If a square has an area of 49, what is its perimeter?
- 7
- 14
- 28 (Correct answer)
- 49
Correct answer: 28
Side = 7, so perimeter = 4 × 7 = 28.
Question 4: A jacket priced at $80 is discounted 25%. What is the sale price?
- $55
- $60 (Correct answer)
- $65
- $20
Correct answer: $60
$80 × 0.75 = $60.
Question 5: What is the next number in the sequence 2, 6, 18, 54, ...?
- 108
- 162 (Correct answer)
- 72
- 216
Correct answer: 162
Each term multiplies by 3, so 54 × 3 = 162.
Question 6: If profit is $12,000 on revenue of $80,000, what is the profit margin?
- 12%
- 15% (Correct answer)
- 20%
- 8%
Correct answer: 15%
$12,000 / $80,000 = 15%.
Question 7: Solve for y: 2(y + 3) = 16.
- 5 (Correct answer)
- 8
- 11
- 6.5
Correct answer: 5
y + 3 = 8, so y = 5.
A bond pays 6% annual simple interest on $5,000.
How much interest after 2 years?