X can finish a work in 144 days, Y can finish a work in 240 and Z can finish the same piece of work in 320 days. If X, Y, and Z are working together to complete a work, how many days will they require to complete the work?

Sapna finishes a job in 12 hours working alone. If Sapna and Riya finish the same job in 8 hours working together at their respective constant rates, then, in how many hours can Riya do the job working alone?

Giri can complete a piece of work in 6 days. With the help of her friend, she can complete it in 4 days. In how many days can her friend complete the work alone?

A and B can do a work in 13 days and 26 days, respectively. If they work for a day alternately, starting with A, then in how many days will the work be completed?

Arvind works 4 times as fast as Suresh. If Suresh can complete a work in 20 days alone, then find the number of days in which Arvind and Suresh can together finish the work.

To do a certain work, A is 40% more efficient than B. Working together; they can do the same work in 15 days. A started the work and left after 15 days. B and C together completed the remaining work in the next 10 days. C alone can do one-third of the original work in:

If D can do 10 percent of a work in 3 days, then D can complete the entire work in how many days?

S and T can finish a work in 50 days.They worked together for 20 days and then left. How much of the work is left?

A and B can do a piece of work in 8 days and B alone can do the same work in 16 days. In how many days can A alone do the same work?

A alone can complete a work in 20/3 days. A and B together can complete it in 5 days. How long will B alone take to complete the work?

Efficiency ratio of A, B and C is 3:2:4. If C alone can complete the work in 15 days, then in what time will A, B and C together finish (3/4) part of the same work.

Aman and Ankit can together complete a piece of work in 40 days. Aman alone can complete the work in 60 days. How long will Ankit take to complete the work if he works alone?

A can complete the work in 12 days and B can do it in 15 days. They both started the work together and A left before 3 days of completion of the work. For how many days did A and B work together?

Two people P and Q started the work, P can complete the work in 18 days and Q can complete the work in 24 days. They both started working together, after 6 days P left the job. What is the number of days required to complete the job?

Ali can complete a piece of work in 8 days. Balvinder can complete the same work in 10 days. In order to complete the work in 4 days, they asked Chander to join them and were able to finish the work in time. In how many days can Chander alone finish the work?

A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone?

A can complete one-third of the work in 10 days and B can do (3/5)^th of the same work in 24 days. They worked together for 10 days. The remaining work was completed by C alone in 15 days. In how many days can C alone do (2/3)^rd of the same work?

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

A finishes work in 1170 days and B can do the same work in 2340 days. How many days will them to complete the same work working together?

X can finish a work in 153 days, Y can finish a work in 255 and Z can finish the same piece of work in 340 days. How many days will they require to complete the work, if X, Y, and Z are working together?

P and Q can do a work together in 30 days. Q and R can do the same work together in 24 days and R and P can do it together in 20 days. They started the work together, but Q and R left after 10 days. How many more days will P take to finish the remaining work?

Anil and Balbeer can finish a task in 3 days. They started working together, but after 2 days Anil got injured. Balbeer took 2 more days to finish the task. In how many days can Balbeer alone finish the same task?

P alone can complete a work in 15 days and Q alone can complete the same work in 12 days. They start the work together but after 3 days P leaves the work. How much time will Q take to finish the remaining work?

A can do a work in 8 days and B in 12 days. If they work together on it for 3 days, then the fraction of the work that is left is:

When A alone does a piece of work, he takes 25 days more than the time taken by A and B to do the work together. On the other hand, B alone takes 16 days more than the time taken by A and B to do the work together. How many days will A and B, working together, take to do the work?

In a manufacturing plant, Jack, Smith and Annie can do the job of manufacturing plates in 15, 20 and 30 days, respectively. In how many days can they finish the work together?

P and Q can do a work in 10 days. Q and R can do it in 12 days. All three together can finish in 8 days. In how many days can P and R can complete the work?

Raju and Rajat working together take 5 days to complete a piece of work. If Raju alone can do this work in 7 days, how long would Rajat take to complete the same work?

P completes a work in 12 days and Q in 24 days. In how many days P and Q working together can complete the same work?

P and Q can finish the work individually in 30 and 45 days, respectively. P starts the work and works alone for 5 days. Then Q joins him, and they work together for 6 days, after which P leaves. The part of the work left at that point is:

Suman and Lata, working together, can complete a task in 8 days. If Lata can complete the same task in 12 days, then how many days will Suman take to complete the same task?

A is 30% more efficient than B. If B completes a piece of work in 39 days then, A required how many days to complete the same work?

A and B together can complete a work in 26 days. A alone can complete it in 52 days. If B works at 50 percent efficiency, then in how many days A and B together will complete the work?

Mia and Ria can do a piece of work alone in 15 days and 10 days respectively. Mia started the work alone and then after 5 days, Ria joined her till the completion of the work. How long did the work last?

The efficiency ratio of A, B, and C is 3 : 2 : 4. If C alone can complete the work in 15 days, then in what time will A, B, and C together finish 3/4 part of the same work?

P, Q, and R can complete a piece of work in 10 days, 15 days, and 20 days, respectively. If they work together, in how many days can they finish the same work?

X can do a work in 16 days. In how many days will the work be completed by Y if the efficiency of Y is 60% more than that of X?

A can do a piece of work in 24 days and B can do it in 80 days. B works alone for 2 days and A works alone on the 3rd day. This process continues till the work is completed. In how many days will the work be completed?

A can do a piece of work in 12 days and B can do it in 30 days. They work on alternate days; starting with A. In how many days will the work be completed? 

A, B, and C can independently complete the same task in 4, 6, and 12 days, respectively. In how many days will they be able to complete the same task if they work together?

A works thrice as fast as B. If B can complete a work in 244 days independently, then find the number of days in which A and B can together finish the work.

X can finish a work in 144 days, Y can finish a work in 240 and Z can finish the same piece of work in 320 days. If X, Y, and Z are working together to complete a work, how many days will they require to complete the work?

A finishes a work in 1230 days and B can do the same work in 2460 days. How many days will them to complete the same work working together?

A is twice as good a workman as B, and together they finish a work in 14 days. In how many days can the work be done by each separately?

A and B can finish a work in 20 days and 10 days, respectively. A started the work alone, and then after 5 days, B joined A. They both finished the remaining work. How long did the work last?

A works thrice as fast as B. If B can complete a work in 256 days independently, then find the number of days in which A and B can together finish the work.

A alone can complete a work in 15 days and B alone in 20 days. Starting with A, they work on alternate days. The total work will be completed in:

A and B together can complete a piece of work in 15 days and B alone can complete it in 21 days. In how many days can A complete it alone?

A can finish a piece of work by working alone in 4 days. B, while working alone, can finish the same work in 12 days. If both of them work together, then in how many days will the work be completed?

A and B can do a work in 10 days and 40 days, respectively. How long will it take together to complete the work?