You, he and I together do a piece of work in 1 hour. If you do twice as much work as I, and if you alone require 1 hour more than he alone to perform the work, in what time can each alone do the work?
A and B together can finish a work at their usual efficiencies in 36 days. If A had worked at 2/3 of his usual efficiency and B had worked at twice his usual efficiency, then the work would have been completed in 30 days. How many days would A take to finish the task if he works alone at twice the usual efficiency?
Dhoni can do a piece of work in 80 days. He works at it for 10 days and then Virat alone finishes the work in 42 days. How many number of days would be taken by the two together to finish the work.
A, B and C together can complete a certain work in 24 days. A and C together work twice as much as B while A and B together works four times the as much as C, then A alone can do the same work in how many days?
X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
