Themes, topics - math word problems - page 89 of 174
Number of problems found: 3474
- Hectares of forest
Twelve workers plant 24 ha of forest in 6 days. How many days will it take 15 workers to plant the same area, and how many days will it take 12 workers? - Sick colleague
All the classrooms at school were painted during the holidays. On the first day, 6 painters completed one sixth of the required work. From the second day until the painting was finished, only 5 painters worked because one of them fell ill. All painters wo - Depth bomb explosion
Please calculate according to Pascal's law. The depth bomb used against the submarine was equipped with a hydrostat, which automatically caused it to explode at a given depth. The hydrostat was set to a pressure of 400 kPa. At what depth below the surface - Pool filling calculation
The 300 liters per minute water starts to flow into the empty pool. We will fill the pool in 5 hours. How long would it take to fill a pool with a more powerful 750 L pump per minute? - Earnings hour division
Two workers worked on a joint task: One worked 36 hours and the other 40 hours. Earnings of 11400 are divided by the ratio of hours worked. How much did everyone get? - Worker apprentice time
The trained worker will do the work in 4 hours. The apprentice needs 6 hours for the same work. How many hours and minutes would they do this work if they worked together? - The orchard
Four temporary workers harvested the orchard in 9 days. How many temporary workers do we need for six days? - Risotto ingredient calculation
To prepare poultry risotto for 4 diners, we need 200 g of rice, 150 g of mushrooms, 150 g of peas, 300 g of chicken, 600 ml of stock, and 5 g of salt. What amount of ingredients do we need for 10 diners? - Cyclist pedestrian speed
Cyclist speed and pedestrian speed are in the ratio of 16:3. The pedestrian will drive 4.5 km per hour. How many cyclists will travel in 2 hours? - Drink coconut percentage
The mixed drink consists of 1.5 dcl of pineapple juice and 0.5 dcl of coconut syrup. Klára ordered it sweeter, so the bartender changed the volume of coconut syrup to a ratio of 3:2. What percent of the drink is now coconut syrup if the volume of the juic - Snail ant meeting
A snail emerges from the leaf at a speed of 1 cm/min. At the same time, an ant rushes towards it from the stone at a speed of 5 cm/min. The distance between the leaf and the stone is 1.2 meters. How soon will they meet, and at what distance? - Car meeting calculation
When and where will the two cars that drove at the same time from cities A and B 90 km apart if the car from city A travels at a speed of 75 km/h and the car from city B at a speed of 60 km/h meet? - Cyclist motorcyclist meeting
The cyclist leaves place A at a speed of 25 km/h. A motorcyclist rides against him at a speed of 55 km/h. The distance between places A and B is 60 km. When and where do I meet? - Roofer work completion
Three roofers put the roofing on the roof in 8 days. How long will it take to get two more after three days? - Train speed calculation
The train ran the distance between stations at a 90 km/h speed in 4 hours. What speed can it take if the journey takes an hour longer according to the new timetable? - Building construction time
Two workers will build the building in 10 hours. How many hours would they have built the building if three more workers had helped them? - Lake path calculation
Lake Trasimeno is approximately in the shape of a circle, its area is about 28 square kilometers, and Mr. Hector's walking speed is approximately 4 km/h. Calculate the length of the path around the lake and how many hours Mr. Hector would have to walk to - Performance improvement percentage
How much percent performance improvement is needed if the work we have planned for five days has to be managed in three days? - Flowerbed adjustment time
Two students adjust the flower bed in 3 hours. How long will this adjustment take for the pupils if they invite four helpers? - Wooden board weight
What is the weight of a wooden board 1.8 m long, 70 cm wide, and 5 cm high? The density of wood is p = 450 kg/cubic meter.
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