15 workers can dig a well in 14 days. How many workers are needed to dug the same type of well in 6 days?

If 15 workers can build a wall in 48 hours.How many workers will be required to do the same work in 72 hours?

If 15 workers can build a wall in 48 houi how many workers will be required to di the same work in 30 hours?

Anand takes 9 days more than his father to do a certain piece of work. Together they can do the work in 6 days. How many days will Anand take to do that work alone?

Complete the following activities 3 persons can build a small house in 8 days. Complete the following activity to find the number of Persons required to build the same house in 6 days. Let x persons are required to build the house in 6 days. The number of Persons and the number of days required to build a house are in inverse proportion. Therefore, he product of the number of persons and the number of days is constant.

Five workers take 12 days to weed a field. How many days would 6 workers take ? How many days would 15 workers take ?