Work word problems - page 19 of 44

Number of problems found: 867

The field
Three tractors can plough a field in 6 hours. After 2 hours of working together, one tractor broke down. How long in total will it take to finish ploughing the field?
Work together
Two bricklayers are plastering a wall. The first would plaster it in 8 hours, the second in 12 hours. If they work together, how many hours will they be done?
Stream cleaning hours
Thirty pupils took part in the cleaning of the local stream. Everyone had to work t hours. N pupils worked half an hour longer. How many hours did the students work to clear the stream?
Ditch
The excavator dug 40% of the excavation in 2 hours and 20 minutes. How long does it take him to dig the whole ditch?
Workshop order completion
The plant has to complete the order in 40 working days. Production takes place in two workshops. In the first one, there are more workers; therefore, they would complete the order themselves in 70 working days. In the second workshop, they would complete
Reconstructing highway
Three groups take turns reconstructing one piece of highway. The first group would finish the job themselves in 40 working days. The second group is in 24 working days, and the third group is in 30 working days. How many days do you do it together?
Worker reward distribution
Three employees received a reward of CZK 5,000 for the improvement proposal. They divided the money according to work so that the first got twice as much as the second, and the second got three times as much as the third. How many crowns did each person r
3 pupils
Three pupils cleaned 10 meters of the stream in 1 hour. How many meters of the stream will clean 18 students in 4 hours?
Rescuing people
Ultron from the Avengers film trapped on a ship 1 000 miles from the mainland 3 600 innocent people. Iron Man would rescue them one by one in an hour and 25 minutes, Ant-Man would manage it in 43 minutes and 20 seconds. Both heroes, however, joined forces
Window door replacement
We ordered two parties of workers to replace the windows and doors. The first group would complete the task in 15 days. The second in ten days. How many days will they be able to exchange it together?
Five tractors
Five tractors plow the fields in 4.8 hours. How long will it take to plow the field when, after an hour and a half of work, two tractor drivers have been called up for another task?
School painting time
A four-member group planned to paint the school for ten days. After two days, one member fell ill. If they worked with the same effort, how many days were the school painted?
Diggers
The excavation was carried out in 4 days, and five workers worked on it for 7 hours daily. Determine how long it would take to excavate if seven workers worked on it 8 hours a day.
Dog food duration
Food for 42 dogs is enough for 35 days. After 15 days, the two dogs adopted new owners. For how many days will the food for the remaining dogs be enough?
Scarf knitting time
Grandma knits a scarf. Knit 15 cm per day. He has it ready in 16 days. How many cm does she have to knit in 1 day to make it in 9 days?
All use computer
It is reported that 72% of working women use computers at work. Choose three women at random, and find the probability that all three women use a computer in their jobs.
The farmer
A farmer calculated that his fodder supply would last his 20 cows for 60 days. He decided to sell 2 cows and one third of the feed. How long will the remaining feed last for the rest of the herd?
Garden raking time
Carl would rake the leaves in the garden alone in 24 minutes. His younger brother would take 30 minutes. How long would they dig a garden if Carl digs alone for 6 minutes and his brother comes to his aid?
The coal
The coal stock would be enough to heat a larger room for 12 weeks and a smaller one for 18 weeks. It was heated for four weeks in both rooms, then only in the smaller one. Thus, the coal stock was enough for how long?
Digging
The first worker would dig a trench in 6 hours. For the second, the same work would take 4 hours. How long did it take for the trench to be dug if they worked together?

Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.