Grade - math word problems - page 114 of 967
Number of problems found: 19337
- Pillar 4
A square prism pillar is 10 metres high with a base edge of 90 cm. How many bricks are needed to build it if 1 brick has a volume of 1.2 dm³? - Double the number of apples
Adam and Ben were picking apples. Together they picked 77 kg of apples. How much did each collect, given that Adam collected 5 kg more than twice what Ben collected? - X-ray intensity
The intensity of X-ray radiation is halved when passing through a 13.5 mm thick lead layer. Determine the thickness of the lead plate that will reduce the radiation intensity to one tenth of its original value, given that the intensity decreases exponenti - Equation - integers
Solve the equation for the unknown x from the set of natural numbers: 1 + 6 + 11 + 16 + … + x = 970 - How much 17
How many more euros will Mrs. Eve have if she increases her savings of €2,400 in the ratio 7:5? - Observation tower
An observation tower is covered with a roof in the shape of a regular quadrilateral pyramid with a base edge of 8 m and a height of 6 m. 60% of the roofing needs to be replaced. How many m² of new roofing material need to be bought? - In a forest meadow
The students planted 280 spruces and 60 pines on forest plots. Express the ratio of the number of planted pines to the number of planted spruces as the smallest possible natural numbers. - Real inflation 2025
Calculate the rate of price rise (inflation) of the service of municipal waste collection, if in 2024 the service cost 30 euros/person and the identical service in 2025 costs 37 euros. PS. More than one office deals with the monitoring of inflation, but t - Sweets
There are 12 sandwiches on a plate: 5 with poppy seeds and 7 with jam. How many cheese sandwiches must be added so that the probability of randomly selecting a poppy seed sandwich is 20%? - Rows of chairs
There are 15 chairs in the first row. Each subsequent row has 3 more chairs than the previous row. How many chairs are there in the first 20 rows in total? - Penny and rolls
For one hundred crowns I need to buy exactly one hundred pieces of pastry at the following prices: rolls at 0.50 crowns each, bread at 10 crowns each, and buns at 3 crowns each. How many of each should I buy? (The Slovak koruna was the currency in Slovaki - Calculate
The circumference of a sphere is o = 87 cm. Calculate its volume. Express the result in litres and round to the nearest whole number. - Peter 28
Peter bought shares of a foreign company for a total of €3,000. Today their value is 50% lower. By what percentage must the price of these shares increase from today for their total value to return to the original €3,000? - Water lily
A father placed 4 containers with water lilies in a newly built pond. The containers were cylindrical with a diameter of 55 cm and a height of 27 cm. What is the total volume of all four water lily containers in litres? - Seventh and multiplication table
If we add one seventh of an unknown number to one sixth of it, we get 13. What is that number? - In a football
In a football tournament of eight teams, where each team played each other exactly once, points were awarded as follows: the winner received 3 points, the loser received 0 points, and in the event of a draw, each team received 1 point. At the end of the t - Density of a cube
Calculate the density of a cube if its edge is 8 cm and its mass is 3 kg. - Traffic accidents
Of the total number of traffic accidents, 80% occur within built-up areas and 20% outside them. If the number of traffic accidents within built-up areas were reduced by 40%, by what percentage would the total number of traffic accidents decrease? - Blueberries - total
Peter can fill a container with blueberries in 3 hours, and Jane in 2 hours. How long will it take them to fill the container together? - Round up - fountain
A fountain, cylindrical in shape with a base diameter of 2 m, is 25 cm deep. How many litres of water can it hold? Round the result to the nearest whole number.
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