Work - Time

P can do a work 3 times faster than Q and therefore takes 40 days less than Q. Find the time in whichPandQcan complete the work individually.

A can do a piece of work in 8 hours while B aline can do it in 12 hours. Both A and B working together can finish the work in time ?

A works 3 times as fast as B. If B can complete a work in 60 days, then in how many days can A and B together complete the same work ?

X works 3 times as fast as Y and is able to complete a work in40 days less than the number of days taken by Y. Find the time in which they can complete the work together.

The following table gives the information regarding the number of persons employed to do a piece of work and time taken to complete the work: Plot the line graph for this information.