- Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will it take to complete the remaining work?
- A person can do the work in 10 days but another finishes the same work in 15 days, Together they can finish in how many days?
- If A and B together can complete a job in 15 days and B alone can complete it in 20 days. In how many days can A alone complete job:
- A fort had provision of food for 150 men for 45 days. After 10 days 25 men left the fort. The number of days for which the remaining food will last is