Equation + work - practice problems - page 12 of 21
Number of problems found: 407
- Tractors
Five tractors will plow the field for 8 hours. In 2 hours, one tractor broke down. How long do the remaining tractors complete the plow? - Bricklayers
Seven bricklayers will build the house in 630 days. How many bricklayers do we need to take after 150 days to complete the building for (additional) 336 days? - Two pumps
Pump A takes twice as long to fill a tank as B. Together, they take 2 hours to fill the tank. How long does each one take to fill the tank by itself? - 40% volume
40% volume with 104 uph (units per labor hour) 8 people are working. What is the volume?
- 2 pipes
Two pipes can fill a tank in 35 minutes. The larger pipe alone can fill the tank in 24 minutes less than the smaller pipe. How long does each piece take to fill the tank alone? - The tank
The tank had nine inflows to be filled in 21 days. After nine days, three inflows shut down. How many days did the remaining six tributaries fill the tank? - Together 6519
One worker makes 15 parts per hour, the other 12, and the third 10. How many hours did each work when they worked together for 15 hours? - Repair pipe
Twenty workers had to repair broken pipes in 30 days. After fourteen days, four laborers joined them. How long did the pipe repair work last? - Paul earned
Paul earned 300 CZK in one hour, Václav 1/3 more than Paul. Václav worked 60 hours, which is 1/3 fewer hours than Paul worked. How many percent less earned Paul an hour than Václav? How many hours did Paul more than Václav? How much did Paul earn more tha
- Workers
Two workers will construct the stage at the festival in 54 hours. Organizers need to shorten the assembly time by 42 hours. How many workers must the assembly company send? - Our house
Our house would paint by four painters in 14 days. How long could it paint five painters? How long will it take if two other painters come to help after five days? - Part-timers 6344
Certain work was to be done by 21 workers during an eight-hour workday, due in 12 days. After five days, temporary workers came to their aid. They all worked together for 7 hours a day and finished the job in 6 days. How many part-timers were there? - Together
If eight men, ten women, and 16 children collect ₹1024 in 4 days, how many days will be required for six men, five women, and four boys to collect ₹768? (₹ is Indian Rupee) - Distribute 6298
Sixteen employees will distribute leaflets in 12 days. How long will it take if, after four breaths, six workers go to work elsewhere?
- Simultaneously 6272
The first inflow fills the tank in 4 hours. The second tributary in 6 hours. How long will it take to fill both tributaries simultaneously, but the species will start an hour later? - Three pumps
The water tank is emptied with the first pump in 6 hours, with the second pump in 2 hours. In order to be emptied in 1 hour, all three pumps had to be started at once. How long will it take to empty the tank by only the third pump? - Wood harvesting
The harvested wood is bundled from the forest to a sawmill. The driver makes the journey four times a day, and the work takes him eight days. How often would he have to go daily to finish the job two days earlier? - Two brothers
Two brothers want to collect 20 kg of chestnuts. If only Marek collected, he would make it in 30 minutes. It would take Milan 10 minutes longer. How long after Mark does Milan have to start collecting to be finished in 18 minutes? - Lecturers 6099
Three lecturers will create 75 tasks in two and a half days. In how many days will it take at least five lecturers to create enough exercises for the exercise book, which should contain 300 exercises? (we assume that all tutors are equally efficient and w
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