A is thrice as good a workman as B and so takes 60 days less than B for doing a job. The time in which they can do the job together is a. `22 1/2d a y s` b. `30\ d a y s` c. `4\ d a y s` d. `60\ d a y s`

A is thrice as good a workman as B and therefore is able to finish a job in 40 days less than B. Working together, they can do it in

A is thrice as good a workman B and therefore is able to finish a job in 40 days less titan B. Working together, they can do it in

A is thrice as good a workman as B and is, therefore, able to finish a piece of work in 60 days less than B. The time (in days) in which they can do it working together is

A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. The number of days taken by B to finish the work is :

A can do in one day three times the work done by B in one day. They together finish 2/5 of the work in 9 days. The number of days by which B can do the work alone is a. 30 d a y s b. 90 d a y s c. 100 d a y s d. 120 d a y s

A is thrice as good a workman as B and therefore is able to finish a job in 30 days less than B. How many days will they take to finish the job working together?

X works four times as fast as Y.Y takes 60 days more than X to complete a job. Find the time in which X and Y working together can complete the job ( in days)

Working 8 hours a day, 12 men can do a work in 30 days. Working 4 hours a day, 18 men can do the work in 30 d a y s b. 40 d a y s c. 45 d a y s d. 50 d a y s