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.

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 ?

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?

If 10 men can complete a piece of work in 12 days by working 7 hours a day, then in how many days can 14 mendo the same work by working 6 hours a day?

Fifteen men can complete a piece of work in 10 days, working 8 hours per day. How many persons are required to complete double the work in 25 days, working 6 hours per day ?

Fifteen men can complete a piece of work in 10 days, working 8 hours per day. How many persons are required to complete double the work in 25 days, working 6 hours per day ?

If 20 men take 15 days to complete a certain amount of work working at 10 hours per day, then how many more men are required to complete twice the previous work in 10 days working at 12 hours a day?

10 men can do 2/5 part of a work in 10 days. Find time taken by 25 men to complete the whole work.