Fifteen men take 10 days to complete a job working 12hours a day. How many hours in a day should 10 men work to complete the same job in 20 days?

Fifteen men take 10 days to complete a job working 12 hours a day.How many hours a day should 10 men work to complete the job in 20 days ?

10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days.

10 men, working. 6 hours a day can compJete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days?

Fifteen men take 30 days to complete a piece of work, working 8 hours a day. Find the time taken by 30 men to complete 5 times as much work, working 10 hours a day.

12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?