Practice Time and work Questions and Answers

• 35 typists working 9 hours per day can complete a typing job in 14 days. ____ typists working _____ hours per day can complete (3/4)th part of the work in ...
• 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...
• 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?
• ‘P’ and ‘Q’ can complete a project in 45 days and 60 days respectively while ‘P’, ‘Q’ and ‘R’ together can complete the same project in...
• ‘R’ and ‘S’ can complete an assignment in 72 days and 90 days respectively while ‘R’, ‘S’ and ‘T’ together can complete the same assign...
• Nikhil and Rohit together can complete a job in 105 days 8 minutes, while Rohit and Suresh together can finish the same job in 70 days 5 minutes. If Suresh...
• Ravi and Sita together can complete a piece of work in 150 days and 3 minutes, while Sita and Ramesh together can complete the same work in 90 days and 2.5...
• Ankit and Priya together can complete a piece of work in 200 days and 10 minutes, while Priya and Vikas together can complete the same work in 130 days and...
• 'Sita' can complete some work alone in 20 days. 'Geeta' is twice as efficient as 'Reeta' and three times as efficient as 'Sita'. If 'Sita' and 'Reeta' star...
• 'Manoj' can complete some work alone in 40 days. 'Sohan' is twice as efficient as 'Rohan' and five times as efficient as 'Manoj'. If 'Manoj' and 'Rohan' st...
• A and B can complete a job together in 30 days; B and C can complete the same job together in 25 days, while C and A can complete the same job together in ...
• P, Q, and R can complete a work in 12 days. 15 days and 30 days, respectively, working alone. How soon can the work be completed if Q is assisted by P and ...
• 'A' and 'B' can complete a piece of work in 10 days, 'B' and 'C' can complete the work in 16 days, and 'A' and 'C' can complete the work in 20 days. Find t...
• If 3/5 of the work is done by 35 workers in 6 days, then how many more workers would be required to complete the remaining work in next 2 days?
• 'Andy' and 'Ben' together can finish some work in 27 days. If 'Andy' alone can finish it in 45 days, then find the time taken by 'Ben' to finish the work a...
• 40 men take 15 days to finish some work. If the work is to be finished in 8 days, then how many additional men should be hired?
• "'Mahesh' is 40% less efficient than 'Neeraj.' 'Neeraj' takes 30 days fewer than 'Mahesh' to finish the same work. Find the time taken by 'Neeraj' to finis...
• X can work as fast as Y and Z together. X and Y together can finish the same task 3 times as fast as Z. If all three working together can finish the task i...
• 15 people can paint a house in 5 days using 15 paintbrushes. In how many days can 10 people paint the same house using p paintbrushes?
• 18 skilled workers can complete a task in 12 days while 24 semi-skilled workers need 15 days to complete the same task. 12 skilled workers started the task...
• Rahul, Sameer, and Dinesh can complete a task in 24 days, 36 days, and 18 days, respectively. They started working together, but Rahul left after 3 days. H...
• A man can do a work in 20 days and a woman can do the same work in 30 days. In how many days will 3 men and 5 women do the work?
• 'Arun' alone can complete 60% of the work in 15 days, while 'Arun' and 'Bhaskar' together can complete 80% of the work in 7.5 days. Find the time taken by ...
• 'Akshay' alone takes 18 days to finish a work while 'Bhim' alone takes 24 days to finish the same work. If 'Akshay' and 'Bhim' work on alternate days start...
• Alok and Vinay can complete some work alone in 12 days and 20 days respectively. Both of them started the work together but Vinay left the work 4 days befo...
• 8 men working 6 hours a day can complete a piece of work in 6 days. If efficiency of each woman is 20% more than that of each man, then how many women work...
• If A can complete a job in 15 days and B can complete the same job in 10 days, and they work together for 4 days before A leaves. How many more days will B...
• 'A' can complete a project in 15 days but worked only the first 4 days. 'B', who is 80% as efficient as 'A', takes over. How long does 'B' need to finish t...
• 'A' alone can finish a job in 12 days. If 'A' is twice as efficient as 'B' who is 20% as efficient as 'C', then find the time taken to finish the job if th...
• 'A' and 'B' alone can complete a work in 10 days and 15 days, respectively. If they worked together and total wage received by them to complete the work is...
• ‘P’ can complete 40% of a task in 24 days, while ‘Q’ can complete 25% of the task in 20 days. How long will it take approximately for ‘P’ and �...
• 'P' and 'Q' can finish a piece of work in 45 days and 90 days, respectively. 'P' starts working alone, and 'Q' joins after 'r' days, ensuring that the enti...
• Arjun, Bharat and Chintu together can complete a task in 8 days. Bharat is 25% less efficient than Arjun. Arjun and Chintu together can complete the task i...
• A group of 'x' men can finish a job in 46 days. If 8 additional men had joined the group, they could have completed the same job 16 days earlier. Assuming ...
• Ram and Shyam can complete a piece of work together in 15 days. If Shyam is 50% more efficient than Ram, find how long Shyam alone will take to finish the ...
• Pipe 'A' alone can fill a cistern in 20 minutes. If pipes 'A' and 'B' are opened together, it takes 25 minutes to fill the cistern. Find the time taken by ...
• 'B' is 37.5% more productive than 'A'. Together, they can finish a task in 40 days. How many days would it take for 'A' alone to complete the entire task?
• Consider that 'A' and 'B' were collectively paid Rs. 9,000 for a job. Out of this amount, 'B' received Rs. 3,000. If 'B' can finish this task solo in 48 da...
• 'A' can complete a certain task in 60 days, while 'B' can do the same in 45 days. 'A' starts the task and works alone for 18 days, after which 'B' joins hi...
• P can construct a robot individually in 20 hours, while Q requires 40 hours to complete the same task. If they collaborate, how many hours will it take the...