Question: A group of 4 workers can complete a job in 10 days. How many days will it take for 10 workers to complete the same job?
Options:
4 days
5 days
6 days
7 days
Correct Answer: 5 days
Solution:
If 4 workers take 10 days, then 10 workers will take (4 * 10) / 10 = 4 days.
A group of 4 workers can complete a job in 10 days. How many days will it take f
Practice Questions
Q1
A group of 4 workers can complete a job in 10 days. How many days will it take for 10 workers to complete the same job?
4 days
5 days
6 days
7 days
Questions & Step-by-Step Solutions
A group of 4 workers can complete a job in 10 days. How many days will it take for 10 workers to complete the same job?
Step 1: Understand that 4 workers can complete the job in 10 days.
Step 2: Calculate the total amount of work done in worker-days. This is 4 workers * 10 days = 40 worker-days.
Step 3: Determine how many worker-days 10 workers can provide in one day. This is 10 workers * 1 day = 10 worker-days.
Step 4: To find out how many days it will take for 10 workers to complete the job, divide the total work (40 worker-days) by the daily work of 10 workers. This is 40 worker-days / 10 worker-days per day = 4 days.
Work Rate – Understanding how the number of workers affects the time taken to complete a job, based on the concept of work rate.
Inverse Relationship – Recognizing the inverse relationship between the number of workers and the time taken to complete a job.
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