A group of 12 men can do a piece of work in 14 days and other group of 12 women can do the same work in 21 days. They be…

While working 7 hour a day, A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would the…

Ayesha can complete a piece of work in 16 days. Amita can complete the same piece of work in 8 days. If both of them wor…

Working efficiencies of P and Q for completing a piece of working are in the ratio 3 : 4. The number of days to be taken…

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in …

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 …

Computer A takes 3 minutes to process an input while computer B takes 5 minutes. If computers A, B and C can process 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…