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

If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it?

Raj can do a piece of work in 20 days. He started the work and left after some days, when 25% work was done. After it Ab…

P is thrice as good a workman as Q and therefore able to finish a job in 48 days less than Q. Working together, they can…

20 men can do a piece of work in 18 days. They worked together for 3 days, then 5 men joined. In how many days is the re…

A and B can do a job in 7 days. A is $${\text{1}}\frac{3}{4}$$ times as efficient as B. The same job can be done by A a…

If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then number of chairs made by 18 carpenters in 3…

A is thrice good a workman as B and therefore is able to finish a job in 40 days less than B. Working together they can …