Question: A job can be done by 8 men in 12 days. How many days will it take for 4 men to complete the same job?
Options:
24 days
30 days
36 days
48 days
Correct Answer: 36 days
Solution:
If 8 men take 12 days, then 4 men will take (8 * 12) / 4 = 24 days.
A job can be done by 8 men in 12 days. How many days will it take for 4 men to c
Practice Questions
Q1
A job can be done by 8 men in 12 days. How many days will it take for 4 men to complete the same job?
24 days
30 days
36 days
48 days
Questions & Step-by-Step Solutions
A job can be done by 8 men in 12 days. How many days will it take for 4 men to complete the same job?
Step 1: Understand that 8 men can complete the job in 12 days.
Step 2: Calculate the total amount of work done in 'man-days'. This is done by multiplying the number of men by the number of days: 8 men * 12 days = 96 man-days.
Step 3: Now, we need to find out how many days it will take for 4 men to complete the same amount of work (96 man-days).
Step 4: To find the number of days for 4 men, divide the total man-days by the number of men: 96 man-days / 4 men = 24 days.
Step 5: Therefore, it will take 4 men 24 days to complete the job.
Work Rate – Understanding how the number of workers and the time taken relate to the total work done.
Inverse Proportionality – Recognizing that if the number of workers decreases, the time taken to complete the job increases.
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