A job can be completed by 12 men in 12 days. How many days will be needed to complete the job if...

A job can be completed by 12 men in 12 days. How many extra days will be needed to complete the job, if 6 men leave after working for 6 days?

22 men can complete a job in 16days. In how many days, will 32 men complete that job?

12 men can complete a work in 16 days and 16 women can complete the same work in 12 days In how many days will 4 men and 8 women complete that work ?

5 men can complete a job in 8 days. How many days will it take if 12 men do the job?

12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men are engaged in the same work ?