Ramu can do 1/2 of the work in 25 days and Monu can do 1/3 of the work in 25 days. In how many days will they together 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?

A is twice as a good worker as B and together they finish the work in 20 days. In how many days can A alone do it?

Anil is 12.5 percent more efficient than Sachin. If Sachin alone can finish a work in 10 days, then in how many days will Anil alone finish the same work?

A can complete a task in 10 days, while B can complete it in 15 days. Working together with C, they finished the task in 5 days. In how many days can C alone complete the task?

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?

Three friends can complete a puzzle in 4 hours. If they invite two more friends of equal ability to help them, how long will it take to complete the same puzzle?

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?

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:

A can finish a work in 134 days and B can do the same work in 201 days. Working together, they will complete the same work in how many days?

Raj is 20 percent less efficient than Rahul If Rahul can make a computer in 20 days, then Raj can make the same computer in how many days? 

A can finish a work in 33 days and B can finish the same work in one-third the time taken by A. Working together, what part of the same work can they finish in 5 days?

A can complete 4/5 part of a work in 10 days. B is 5 times as efficient as A. In how many days will B alone complete the same work?

C can do a piece of work in 24 days and D in 16 days. They began the work together, but D left the work 4 days before its completion. In how many days was the work completed?

In a workshop, Saral and Kanika are working on alternate days. Saral on the 1^st day, Kanika on the 2^nd day, Saral on the 3^rd day, and so on. Saral alone can complete the work in 15 days, while Kanika alone takes 18 days to finish the same work. In how many days will they complete the work if they work on an alternate basis?

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?

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.

P and Q together can do a job in 15 days. P is thrice as efficient as Q. In how many days can P alone do the job?

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?

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?

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?

George can do 35% of the total work in 6 days. Jim and George together completed a piece of work in 12 days. In how many days could Jim, working alone, complete the entire task?

Seema can finish the work in 7 days, while Kartik can finish the work in 12 days. The manager asked them to do the work together so that the work could be completed earlier. How many days will they take to complete the work together?

X alone can complete a work in 18 days and Y alone can do the same work in half time of the time taken by X. Working together, what part of the same work can they complete in a day?

A is thrice as good a workman as B. A started the work and they worked together on alternate days and finished the work in 24 days. The number of days taken by A alone to finish the work was:

A, B, and C can do a piece of work in 20 days, 30 days, and 60 days respectively. If A works daily and on every third day B and C also work with A, then in how many days, will the work be completed?

A can do 60% of a work in 18 days, while B can do 40% of the same work in 10 days. Both work together for 10 days only. C complete the remaining work in 4 days. In how many days will C complete the same work?

W and X can complete a work in 25 days and 75 days respectively. They began the work together, but W left the work after some days and X completed the remaining work in 15 days. After how many days from the beginning did W leave the work?

Nirmal completed the school project in 45 days. How many days will Amit take to complete the same work if he is 25% more efficient than Nirmal?

Amit is thrice as good a workman as Vinit and therefore is able to finish a work in 32 days less than Vinit. In how many days can the together complete the same work?

 C1, C2, and C3 can do a work alone in 10, 12 and 15 days respectively. All three of them began the work together but C2 left 2 days before the completion of the work. In how many days was the work completed?

Rakshit, Ajay, and Satish are sanitation workers in a Municipal Corporation. Rakshit alone takes 20 hours to clean a drain while Ajay takes 12 hours to do the same when working alone. All three together take only 5 hours to clean the drain. In how many hours, can Satish complete the work alone?

A and B can do a work in 12 days and 16 days, respectively. If they work together for 6 days, then the fraction of the work left is _________.

A and B can do a piece of work in 5 days and 10 days, respectively. They began the work together, but A left after some days and B finished the remaining work in 8 days. After how many days did A leave?

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 works thrice as fast as B. If B can complete a work in 280 days independently, then find the number of days A and B can finish the work together.

A can finish a task in x days while B can complete the same task in (x + 5) days. If they are working together, they can finish the same task in 6 days. The value of x is?

Ajay can do a piece of work in 24 days. If Amit is 60% more efficient than Ajay, then find the number of days required by Amit to do the same piece of work.

A can paint a wall in 25 days, while B can rub the paint off the wall in 30 days. If A starts the work on day 1 and on the next day B joins, then find the number of days the whole wall will be painted if both work simultaneously.

Typist A can type 25 words per minute, B can type 20 words per minute and C can type 30 words per minute. If they work together, what is the time taken by them to type 15 pages? (1 page = 1125 words)

A, B, and C can complete a piece of work in 20, 5, and 10 days respectively. Working together, they will complete the same work in how much time?

A and B together can complete a task in 15 days while A alone can complete the same task in 40 days. In how many days B alone can complete the task?

A can do a piece of work in 12 hours. If he is joined by B who is 25% more efficient, in what time will they together finish the work?

A can do a piece of work in 30 days. He worked on it for 6 days and then B finished the work in 12 days. How long will they together take to complete the 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?

Raja could build a wall in 5 days working alone. Raju could destroy the same wall in 6 days working alone. How many days it would take to build the wall if both are working together?

Kajal and Anchal can do a piece of work in 20 days and Kajal can complete the work in 65 days alone then, find the time taken by Anchal to complete the work alone. (approx)

Aryan and Harshita are working on a college project. Aryan can complete this project in 16 days, while Harshita can complete this project in 10 days. If they work together, find in how many days they will complete the project.

Raj can do certain work in 24 days. The same work can be done by Lakhan in 32 days. Find the days taken to do the work if they both work together.

If the efficiency of Raghav in doing a work is 2.5 times that of Raj. Both of them together take 10 days to complete a work. Find the time taken by Raj alone.