18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days …

12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men do this work ?

A can complete a piece of work in 36 days, B in 54 days and C in 72 days. All the three began the work the work together…

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 day. The or…

A is twice as good a workman as B. If they work together, they can complete a job in 18 days. If A alone does the job, i…

P, Q and R are three typists who working simultaneously can type 216 pages in 4 hours. In one hour, R can type as many p…

3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work ?

A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A f…