Three men A, B, C working together can do a job in 6 hours less time than A alone, in one hour less time than B alone an…

Two men can do a piece of work in x days. But y women can do that in 3 days. Then the ratio of the work done by 1 man an…

A contractor was engaged to construct a road in 16 days. After working for 12 days with 20 labours it was found that onl…

Two pipes A and B can fill a tank in 36 min. and 45 min. respectively. Another pipe C can empty the tank in 30 min. Firs…

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…

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 …

A can do a piece of work in 20 days and B in 40 days. If they work together for 5 days, then the fraction of the work th…

A does 20% less work than B. If A can complete a piece of work in $${\text{7}}\frac{1}{2}$$ hours, then B can do it in …