Amazon Area Manager: Numerical Reasoning 2 — Questions and Answers
Question 1: A fulfillment center processed 18,500 units last week. This week output increased by 12%. How many units were processed this week?
- 20,120
- 20,720 (Correct answer)
- 21,280
- 21,820
Correct answer: 20,720
18,500 × 1.12 = 20,720 units.
A 12% increase on 18,500 = 18,500 × 0.12 = 2,220 additional units. Total = 18,500 + 2,220 = 20,720 units. Amazon Area Manager assessments frequently test percentage increase calculations applied to operational metrics.
Question 2: An area processes 4 product lines with outputs of 3,200, 2,750, 4,100, and 3,650 units. What is the average output per product line?
- 3,350
- 3,425 (Correct answer)
- 3,500
- 3,575
Correct answer: 3,425
Total = 3,200 + 2,750 + 4,100 + 3,650 = 13,700. Average = 13,700 ÷ 4 = 3,425.
Adding the four outputs: 3,200 + 2,750 + 4,100 + 3,650 = 13,700 units. Dividing by 4 gives an average of 3,425 units per product line. Averaging is a core skill for Area Managers tracking team performance.
Question 3: A shift has a labor budget of $12,600 for 7 workers over 6 hours. What is the budgeted hourly rate per worker?
- $280
- $290
- $300 (Correct answer)
- $320
Correct answer: $300
$12,600 ÷ 7 workers ÷ 6 hours = $300 per worker per hour.
Total worker-hours = 7 × 6 = 42. Budgeted rate per worker-hour = $12,600 ÷ 42 = $300. Amazon Area Managers must be comfortable with labor cost calculations to manage operational budgets effectively.
Question 4: Defect rate dropped from 4.5% to 3.6%. What is the percentage reduction in defect rate?
- 15%
- 18%
- 20% (Correct answer)
- 22%
Correct answer: 20%
Reduction = (4.5 - 3.6) / 4.5 × 100 = 0.9 / 4.5 × 100 = 20%.
The absolute reduction is 4.5% - 3.6% = 0.9 percentage points. As a percentage of the original defect rate, this is 0.9 / 4.5 = 0.20 = 20% reduction. This type of relative change calculation is standard in Amazon's numerical reasoning assessments.
Question 5: A warehouse ships 6,000 orders per day across 3 shifts. The morning shift ships 35%, afternoon 40%, and night the remainder. How many orders does the night shift handle?
- 1,200
- 1,500 (Correct answer)
- 1,800
- 2,100
Correct answer: 1,500
Night shift = 100% - 35% - 40% = 25%. 25% × 6,000 = 1,500 orders.
Morning (35%) + Afternoon (40%) = 75%, leaving 25% for the night shift. 25% of 6,000 = 1,500 orders. Area Managers must quickly partition workload by percentage when scheduling and reviewing shift performance.
Question 6: If weekly throughput targets are 52,000 units and the team has achieved 39,000 units by Thursday, what percentage of the target remains by end of Thursday?
- 20%
- 25% (Correct answer)
- 30%
- 35%
Correct answer: 25%
Remaining = 52,000 - 39,000 = 13,000. Percentage = 13,000 / 52,000 × 100 = 25%.
Achieved 39,000 out of 52,000, leaving 13,000 units. As a percentage of the target: 13,000 / 52,000 = 0.25 = 25% remaining. Tracking completion percentages against targets is a daily responsibility for Amazon Area Managers.
Amazon Area Manager: Numerical Reasoning 2
A fulfillment center processed 18,500 units last week.
This week output increased by 12%.
How many units were processed this week?