Themes, topics - math word problems - page 127 of 151
This page contains thematic word problems. We have about 20 main topics, such as motion problems, mixtures, work problems etc. Please choose a specific topic that interests you from the menu. Examples within a topic usually train similar knowledge. For example, in movement tasks, terms such as distance, speed, and time often occur.Number of problems found: 3007
- Construction 3357
ABCD rhombus construction entered: a + b = 9 cm; AC = 4.5 cm; height ha = 3.5 cm How long do sides a and b measure? - 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 the factory and takes him to work. They are coming to the saw exactly at 8:00. Today, the bus arrived 11 minutes earlie - Kilometers 3351
The speedway goes at an average speed of kilometers per hour. Which track will it cross in 12 minutes? - Alcohol mixture
From 55% and 80% alcohol, we have to produce 0.2 kg of 60% alcohol. How many of them do we use in the solution?
- Produced 3333
How much 55% alcohol do we need to add to 1500 grams of 80% alcohol to produce 60% alcohol? How much is 60% of alcohol produced? - Collection
John collected half a bucket of raspberries in 45 minutes, and Eva collected the whole bucket in an hour. How many minutes would it take to fill a bucket if the two children worked together? - CuZn
Brass is an alloy of copper and zinc. The 10-centimeter brass cube weighs 8.6 kg. Copper density is 8930 kg/m3, the zinc density is 7130 kg/m³. Calculate how many kilograms of copper and zinc a cube contains. - Calculate 3320
The farmer has a supply of oats for 5 horses for 12 days. Calculate how many horses would consume the same supply of oats in 1 day. Calculate how many days it would take 6 horses to consume the same oats supply. (The daily ratio for one horse does not cha - Scale of map
James travels one kilometer in 12 minutes. The route was walked for half an hour, measured on the map 5 cm. Calculate how many kilometers James walked for half an hour. Find the scale of the map.
- Experienced 3318
An experienced tamer will wash an elephant in 40 minutes. It takes a temporary worker 2 hours. How long in a minute will a tamer and a temporary worker wash three elephants together? - Modifications 3317
Workshop A can fulfill a specific order in 8 changes, workshop B in 10 modifications. How many shifts will the job be completed if workshop A works on only the first two shifts and both workshops work on the remaining shifts? - Simultaneously 3316
We would fill the water tank with one inlet in 36 minutes and the other in 45 minutes. How long will it take to fill the tank if water flows through the first inlet for 9 minutes and then both simultaneously? - Everyone 3299
The three brothers had 24 apples. Everyone kept half and divided half between the two brothers. Everyone had as many apples as they had three years ago. How old were they? - Distance 3295
If the train travels at an average speed of 60 km / h, it will cover a certain distance in 5 hours and 30 minutes. What is the average speed he travels to cover the same distance in 5 hours?
- Workers 3291
The broad workers will do the job in 22.5 days. How many workers still need to be hired to do the job seven days earlier? - Painters
Five painters painted the fence for eight days. How many days over will it take to work if they paint the fence with only four decorators? - Candies
The price for 1 kg of more expensive candies is 125 CZK. The price for 1 kg of cheaper candy is 100 CZK. We mix two different mixtures of candy. A) The first mixture contains 2 kg more expensive and 0.5 kg cheaper candy. Calculate the price for 1 kg of th - Determine 3274
Nine cleaners clean 3150 m² of the floor in 7 days. Determine how many m² of floor eight cleaners will clean in 9 days. - Harvesters
The first harvester reaps the grain from the land for 24 hours, and the second harvester for 16 hours. How many hours will it take to harvest by two harvesters, but the second harvester started working four hours later than the first?
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