A is twice as good a worker as B, and together they finish a piece of work in 16 days. In how many days will A alone finish the work?

6 goats or 8 sheeps can graze a field in 50 days. 8 goats and 6 sheeps can graze the field in:

Jayati and Archana can do a piece of work in 10 days and Jayati can do the same work in 12 days. In how many days can Archana do the same work alone?

Ajeeta and Sanjeeta undertake a project for ₹ 48000. Further, it is known that Ajeeta can finish the project in 24 days and Sanjeeta can finish the project in 40 days while working alone. If the project gets completed in just 10 days when Ranjeeta also helped them in completing the project, then determine the amount that Ranjeeta would have received, if they distributed the amount in proportion to their respective working capability?

P, Q and R can complete a work in 12, 9 and 15 days respectively. Working together, they will complete the same work in:

P can build a wall in the same time in which Q and R together can do it. If P and Q together could do it in 30 days and R alone in 40 days, in what time could Q alone do it?

If $\left(\frac{2}{9}\right)^{th}$ part of a tub is filled in 2 minutes, then the remaining part of the tub will be filled in :