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WORKKEYS LEVEL 6: CALCULATING RATES
EXAM 2025
Q. Rates can be adjusted for different time periods. If you know how many parts can be made in an hour, then you can determine how many parts can be made in a matter of seconds and minutes, or even days and weeks. A. True B. False HINT Review the on-page instruction. - Precise Answer ✔✔A. True Q. Your startup company has invented a new water filter. If the filter can process 10 gallons of water per minute, then how many gallons of water can it process in one 24-hour day? A. 4, B. 600 C. 12, D. 14,
HINT: 10 gallons/minutes × 60 minutes/hour × 24 hours/day =? gallons/day - Precise Answer ✔✔D. 14, Q. It takes 11 widgets to assemble one motor. Your team can assemble four motors in one day. If you need to order parts for next week ( working days), how many widgets should you order? A. 220 B. 55 C. 44 D. 308 HINT: 11 widgets/motor × 4 motors/day × 5 days/week =? - Precise Answer ✔✔A. 220 Q. A software coder can type 79 words per minute. She works 5 eight hour days each week (not including breaks). How many words does she type in a week? A. 189,600 words B. 33 words C. 3,160 words D. 76,950 words HINT: (79 words × 60 minutes) × 8 hours × 5 days =? - Precise Answer ✔✔A. 189,600 words
Q. An assembly line produces 2 toasters per minute. It is 2:00pm and the line has finished 560 out of its goal of 900 for the day. The line stops at 5:00pm. A co-worker is urging you to stop the line for a half hour break, saying that you will make the goal anyway. Should you stop the line for a half hour break? A. Yes, you will meet the goal either way. B. Can't tell from this information. C. No, you will be 40 short if you do. HINT: Find the toaster production rate for one (1) hour. Then calculate how many toasters will be made in 3 hours, and subtract that amount from the goal. - Precise Answer ✔✔C. No, you will be 40 short if you do. Q. A circuit board manufacturer can produce 2,000 boards per hour. How many days will it take to produce 16,500 if the company has a 10 hour work shift? A. Less than one day B. More than a week C. Two days D. A day and a half
HINT: Calculate how many boards can be produced in one 10-hour day.
- Precise Answer ✔✔A. Less than one day
