If 20 women can lay a road of length 100m in 10 days. 10 women can lay the same road of length 50m in = ?

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

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

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…

A can build up a wall in 8 days while B can break it in 3 days. A has worked for 4 days and then B joined to work with A…

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish…

If 10 persons can do a job in 20 days, then 20 person with twice the efficiency can do the same job in:

A labourer was appointed by a contractor on the condition he would be paid Rs. 75 for each day of his work but would be,…