Two spinning machines A and B can together produce 3,00,000 m of cloth in 10 hour, if machine B alone can produce the same amount of cloth in 15 hour, then how much cloth can machine A produce alone in 10 hour?

A can complete a piece of work P in 6 days while B can complete twice that work in half the time taken by A. C can complete half of work P in thrice the amount of time taken by B for double the work. If A and C start the work together and B joins them after exactly 1.5 days, in how many days will the total work be complete?

A contractor undertakes to complete a project in 56 days using 100 men. However after 46 days, 100 men thereby completing the project on time. Had the additional men not been deployed, then by how many days would the project be delayed