P takes twice as long as Q or three times as long as R to complete a task. If they work together, they can complete the task in two days. How long will it take Q to complete the task on his own?

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?

P is 30% more efficient than Q. If P alone can do some work in 20 days, then how long will Q alone take to do it?

A takes 50% more time to complete a work than B. If they work together for 27 days, how much time will it take B to do it alone?

A man takes 16 days to complete a project. A woman does the same work in 12 days. They started the work together on alternate days and the man worked on the first day. How much time will they take to complete the work?

P, Q, R and S can do a piece of work in 20 days. If P and Q together can do it in 50 days, and R alone in 60 days, then in how many days can S alone do it?

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?

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?

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.

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.

Tom can do a piece of work in 7 days, whereas Jay can do the same work in 14 days. How long will they take to finish the work if both work together?

A and B can complete a job together in 12.5 days; B and C can complete the same job together in 18.75 days, while C and A can complete the same job together in 15 days. In how many days will A, B, and C together be able to complete the same job alongside D, who is only 40% as efficient as C?

A and B can do a piece of work in 9 days and 15 days, respectively. If they work together, then the work will be completed in:

A can build a wall in 6 hours. However, his enemy B interrupts his work and destroys the wall simultaneously until it is completed, due to which A could complete the wall in 9 hours. Once the wall gets built, B comes again and destroys the wall completely in x hours. Find x.

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 day's can her friend complete the work alone?

Sachi does half as much work as Sakshi in three-fourths of the time. If together they take 18 days to complete the work, how much time will Sakshi take to do it?

The ratio of the efficiency of A, B, and C is 2 : 3 : 5 respectively and C alone can complete the work in 12 days. If A and C started the work and after 5 days, B also joined them, then in how many days A, B and C together to complete the remaining work?

A can do a piece of work in 98 days, B can do it in 147 days, and C can do the same work alone in 196 days. On the first day, A worked alone, on the second day B and C worked together, on the third day A and C worked together. If they repeat this cycle, then in how many days can the total work be completed?

A can complete a work in 10 days, B in 12 days, and C in 15 days. All of them began the work together, but A had to leave the work after 2 days of the start and B left 3 days before the completion of the work. In how many days was the work completed?

A can finish painting a sari in 11 days, B in 20 days and C in 55 days, if they work independently. In how many days can the work be completed if A is assisted by B on every odd numbered day and by C on every even numbered day till the work completes?

A can finish a work in 122 days and B can do the same work in 183 days. Working together, they will complete the same work in how many days?

Aman and Rajan are working at a construction site. In an engineering experiment, Aman is constructing a wall, while Rajan is demolishing that wall. Aman can completely build the wall in 15 days, while Rajan will take 20 days to completely demolish the wall. In how many days will the complete wall be built for the first time if they work on alternate days, with Aman working on the 1st day?

A works 5.4 times as fast as B, and A takes 22 days less than B to complete the job when each works alone. Calculate the number of days taken to complete the same job if A and B work together.

P and Q can complete a work in one week, Q and R can do the same work in two weeks, and P and R can do the same work in 3.5 days. In how many days can they together do the entire work?

A and B can complete a certain work in 6 days and 8 days, respectively. They worked together for 3 days. C alone completed the remaining work in 2 days. B and C together can complete 3/4 of the same work in :

N₁ alone can do 20% of a piece of work in 6 days, N₂  alone can do 20% of the same work in 4 days, and N₃ alone can do 50% of the same work in 12 days. In how many days can they complete the work, if all of them work together?

A takes four times as long as B and C together to do a job. If all three, working together, can complete the job in 32 days, then the number of days A alone will take to finish the job is:

A can complete a work in 10 days, B in 12 days, and C in 15 days. All of them began the work together, but A had to leave the work after 2 days of the start and B left 3 days before the completion of the work. In how many days was the work completed?

A and B can complete a piece of work in 18 days and 12 days, respectively. They work on alternate days till the work gets completed. How long (in days) would it take A and B to complete the work, starting with A on the first day?

Monika is twice as efficient as Ritu and takes 60 days less than Ritu to complete a job. Find the time in which they can finish the job together.

In a factory, a piece of work is completed by Raima in 15 days while Joe can finish it in 10 days. The factory manager has to complete the work as soon as possible and so he orders Joe and Raima to work together. How many days will they take to complete the work?

A and B can together complete a task in 16 days. They started a task together and after 4 days A leave, B takes 24 days to finish the rest of the task. How many days would B have taken to do the task if he worked alone?

Atul can do a piece of work in 18 days, and Aaravya is 50% more efficient than Atul. How much more time does Atul take than Aaravya to do the same piece of work?

In a printing press, Anil can print 1600 pages in 4 days by working 2 hours a day, then tell in how many days Anil and his friend Shweta alone can print four times the number of pages as Anil by working 8 hours a day if the efficiency of Shweta is equal to the efficiency of Anil.

A can complete a work in 10 days, B in 12 days, and C in 15 days. All of them began the work together, but A had to leave the work after 2 days of the start and B left 3 days before the completion of the work. In how many days was the work completed?

A can complete a piece of work in 8 days whereas B can complete the same work in 12 days. Both started working together but after some days A left the work and B completed the remaining work alone. If the work is completed in 6 days, find after how many days A left the work.

Two workers A and B are engaged to do a piece of work. A working alone would take 50 hours more to complete the two than when A and B work together. B working alone would take 8 hours more than when A and B work together. The time required to finish the work together is:

A and B alone can do a piece of work in 4 and 9 days, respectively. In how many days will the work be completed, if they both work on alternate days, starting with B?

John can do a piece of work alone in 20 days, while Ravi can do the same piece of work alone in 28 days. In how many days can the duo complete the same work if they work together?

A1 alone can do a work in 12 days and A2 alone can do the same work in 15 days. With the help of A3, they finish the same work in 5 days. In how many days A3 alone can do the same work?

A, B, and C together can complete a work in x, 30, and 45 days, respectively. B and C worked together for 6 days. The remaining work was completed by A alone in 12 days. The value of x is:

Amit alone can complete a piece of work in 15 days and Balbir alone can do the same work in 10 days. If Amit alone works for 3 days after which Balbir joins him, then the work will be finished in how many days?

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?

Three people A, B and C can finish a piece of work in 24 days, 32 days, and 64 days respectively. They start the work together and A left the work after 6 days and B left the work 6 days before the completion of the work. Find the total time in which work is finished.

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?

Raju and Raman can complete a piece of work in 12 days and 16 days, respectively. If they work on alternate days, starting with Raju, in how many days will the work be completed?

Manju takes 16 days to complete the work. If she works with her friend Jenny they complete it in 12 days. How many days will it take for jenny to complete the work alone?