# Question #bc2c7

##### 3 Answers

30 days

#### Explanation:

Total work to be done is:

After 10 days of work with 30 men:

This leaves

Now with only 25 men:

So it will take the remaining workers 30 days to finish the job.

The remaining men will finish the job in 30 days.

#### Explanation:

The whole job can be unit 1, which can be done by 30 men in 35 days. So a man one day can finish

After 10 days, the remaining job is

So every day the remaining

30 days

#### Explanation:

25 men to do 750 man days: