Time and Work T...

A pit can be dug by 4 men in 16 days. How many days will 8 men take for the same work?

A contractor undertakes a certain work to be completed in 55 days and employs 48 men to do it. In 11 days, only 1/6^th of the work has been done. How many extra men should he employ in order to complete the work in the allotted time?

How many patients does the doctor examine in a day if he examines 5 patients in 3 hours with breaks of 10 minutes between two consecutive patients and he works for 10 hours and 15 minutes per day?

A alone can do a piece of work in 6 days and B alone can do it in 8 days. How many days will it take both A and B together to finish twice the same work?

A group of 4 men can dig a pit in 15 days. If a man works half as much more as a boy, then 8 men and 6 boys can dig it in

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days, then B and C leave. How many more days will A take to finish the work?