Reason + work - math problems
Number of problems found: 61
- Five pupils
Five pupils clean 30 chairs one hour before four pupils. How many chairs clean one pupil in 1 hour?
5 tractors will plow the field for 8 hours. In 2 hours, 1 tractor broke down. How long do the remaining tractors complete the plow?
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?
- 40% volume
40% volume with 104 uph (units per labor hour) 8 people working. What is the volume?
- 3 cats
3 cats eat 3 mice in 3 days. How many mice will be eaten by 10 cats in 10 days?
- Repair pipe
20 workers had to repair broken pipes in 30 days. After fourteen days, four laborers joined them. How long did the pipe repair work last?
If 8 men, 10 women, 16 children collects ₹1024 in 4 days, how many days will be required for 6 men, 5 women and 4 boys to collect ₹768? (₹ is Indian Rupee)
Two tractors plow the field in 4 hours together. If the first tractor plow half of the field and then the second tractor completed the job, it would take 9 hours. How many hours does the field plow for each tractor separately?
- Highway tunnel
The highway tunnel was built from two ends in the north-south direction. The average daily performance of the "northern party" rasters was higher than the average daily power of the "southern party" of the rasters. After 55 business days, both parties met
- Wagons and cranes
Several of the same cranes unloaded 96 wagons. If there were 2 more cranes there would be less 8 wagons for each crane. How many cranes were here?
- Mow the lawn
Dano would mow the lawn in 12 hours and Milada in 16 hours. How long will take the lawn mow together?
- Oil tank and pipes
The underground oil tank can be filled by two oil pipelines. The first is filled in 72 hours and the second in 48 hours. How many hours from the moment when first pipeline began to fill the oil is it necessary to start filling it with the second to fill i
Three lorries droved bricks. One drove n bricks at once, the second m fewer bricks than the first and third 300 bricks more the first lorry. The first lorry went 4 times a day, the largest went 3 times a day, and the smallest lorry 5 times a day. How many
Group of workers washing half of the windows of the building in two hours. How long will take half the workers wash all the windows of the building?
In the factory, workers work in three shifts. The first inning operates half of all employees in the second inning and a third in third inning 200 employees. How many employees work at the factory?
- Sawmill factory
Peter works in the factory. The bus stop is 10 km from the factory. Therefore, always when the bus arrives for Peter, the driver leaves factory and takes him to work. They are coming at the saw exactly at 8:00. Today the bus arrived 11 minutes earlier and
- Timber log
The ship goes from point x to y. Downstream it takes 4 hours, upstream 6 hours. How long does it take from a point x to y a log?
- Three drivers
Three driversdriving the same direction found that they have same amounth of gasoline. The first is enough to go 6 km, 4 km second and third 3km. Gasoline they divided so all three just drove to the nearest petrol station. How many km away was a petrol st
Six tractors plowing the field for 8 days. After two days, two tractors broke down. How many days were prolonged work in the field?
20 cows has food for 60 days. We reduce the dose to two-thirds for 18 cows. How many days will be fed?
Reason - math problems. Work word problems.