Amazon Area Manager: Numerical Reasoning 3

Question 1

A site's cost per unit fell from $0.85 to $0.68. What is the percentage decrease?

Accepted Answer

20%

Answer

15%

Answer

18%

Answer

22%

Question 2

If 420 of 1,400 employees are part-time, what fraction of the workforce is full-time?

Accepted Answer

3/5

Answer

2/5

Answer

7/10

Answer

4/5

Question 3

A line produces 720 units/hour for 8 hours, then is upgraded to run at 850 units/hour for the next 4 hours. What is the total output?

Accepted Answer

9,360

Answer

8,960

Answer

9,160

Answer

9,560

Question 4

An area manager reviews data showing units per labor hour (UPH) of 85, 92, 78, 96, and 89. What is the median UPH?

Accepted Answer

89

Answer

85

Answer

88

Answer

92

Question 5

A project requires 240 person-hours of work. If 6 workers are assigned, how many days will it take working 8-hour shifts?

Accepted Answer

5

Answer

4

Answer

6

Answer

8

Question 6

Total sales of $840,000 are split between 4 departments. Department A gets 30%, B gets 25%, C gets 20%, and D gets the rest. How much does Department D receive?

Accepted Answer

$210,000

Answer

$168,000

Answer

$189,000

Answer

$252,000