A and B completed a work together in 5 days. had A worked at twice the speed and B at half the speed, it would have take…

Working together, Asha and Sudha can complete an assigned task in 20 days. However, if Asha worked alone and completed h…

Two typist of varying skills can do a job in 6 minutes if they work together. If the first typist typed alone for 4 minu…

Vimal can do a piece of work in 20 days, Vimal and Kamal together can do in 12 days. If Kamal does the work only for hal…

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working …

12 men can do a piece of work in 15 days and 20 women can do the same work in 12 days. In how many days can 5 men and 5 …

X takes 4 days to complete one-third of a job. Y takes 3 days to complete one-sixth of the job and Z takes 5 days to com…

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help o…