Related Questions

30 labourers, working 7 hours a day can finish a piece of work in 18 days. If the ladourers work 6 hours a day, then the number of labourers to finish the same piece of work in 30 days, will be.
M and N can dig a pond in 6 days, the how many days N needs to dig the pond alone?
If takes 6 men 4 days to dig a hole 3 feet deep. How long it will take 10 men to dig a hole 7 feet deep?
If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?
If it takes 4 hours to dig a hole by 50 workers, how long should it take to dig the same hole by 30 workers?
If 18 pumps can raise 2170 tonnes of water in 10 days , working 7 hours a day ; in how many days will 16 pumps raise 1736 tonnes of water , working 9 hours a day ?
If 3 men or 6 boys can do a piece of work in 10 days,working 7 hours a day; how many days will it take to complete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day ?
If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36 days , each working 8 hours a day?
50 persons can do a work in 12 day's by working 8 hours a day. Working how many hours per day can 60 persons finish the work in 16 days?
39 persons can repair a road in 12 days , working 5 hours a day. In how many day will 30 persons, working 6 hours a day. complete the work?