Cloth Makers Inc. has p spindles, each of which can produce q metres of cloth on an average in r minutes. If the spindl…

A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 day…

Jyoti can do $$\frac{3}{4}$$ of a job in 12 days. Mala is twice as efficient as Jyoti. In how many days will Mala finis…

If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :

A, B and C can complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work 5…

2 men and 3 women together or 4 men can complete a piece of work in 20 days. 3 men and 3 women will complete the same wo…

A, B and C can complete a piece of work in 24, 5 and 12 days respectively. Working together, they will complete the same…

A man does double the work done by a boy in the same time. The number of days that 3 men and 4 boys will take to finish …