Question

25 employees can finish a project in 40 days after how many days should 10 employee live the job so that the product is finished in 50 days​

Answer 1

Step-by-step explanation:

First of all we convert it in unit like this

20 workers × 30 days = 600 units work

After leave the 5 workers , we have 35 days for complete the work.

In 35 days only 15 workers will do the work.

So the work completed in 35 days by 15 workers = 35 ×15 =525 units

Remaining unit = 600 -525 =75 units

This units would done by 5 workers in ( 75/5) = 15 days .

So after 15 days 5 workers should leave the job

Answer 2

Step-by-step explanation:

A work can be completed by 40 workers in 40 days.

Number of days required to complete the work by one worker =40×40=1600 mandays(days per worker)

Day----mandays----total mandays

10 400 400

20 350 750

30 300 1050

40 250 1300

50 200 1500

:

After 50 days:

1500 man-hrs have been accumulated, 15 men are on the job.

Then, 100 more man-days required

15d=100

∴ d=100/15=6.66

∴ Total no. of days required =50+6.66=56.66 days.

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