Maths practice for 12-year-olds - page 235 of 347
Number of problems found: 6923
- Water Tank Level
There are 20,000 liters of water in a block-shaped tank with 5 m and 4 m bottom dimensions. What is the water level? - Cube Edge and Volume
The cube has an area of 5400 cm². What are the length of its edge and the volume of the cube? - Together
If eight men, ten women, and 16 children collect ₹1,024 in 4 days, how many days will six men, five women, and four boys need to collect ₹768? (₹ is the Indian Rupee.) - Hockey card donation
Juraj donated three-fifths of his collection of hockey players to his friend Josef. He has 100 cards left. How many cards did Juraj initially have in his collection before the donation? - Polynomial simplification
Simplify polynomial entry: (x + 2)² + (x-2) (x + 2) - Students Learning Languages
There are 32 students in the class. Twenty-six of them are learning English, 15 are learning German, and four are learning only French. How many students are learning English and German? - Our horses
Our horses have a supply of oats for 12 days. Our neighbour has half as much oats as we do, but twice as many horses. a) How many days would our supply of oats last our neighbour's horses? b) How many days would our neighbour's supply of oats last our hor - Square prism
A square prism has a base with a length of 23 centimeters. What is the area in square centimeters of the base of the prism? - The product
The product of the three numbers is 224. The first is 10, and the second is 50 times smaller than the first. Calculate the third number. - Diamond - Equilateral Triangles
We composed the diamond of four equilateral triangles with a side length of 7 cm. What is its perimeter? - Sand
The maximum weight of the car is 5000 kg. We must transfer 10 m³ of sand. How many times does a car have to go? (density of sand is 1500 kg/m3) - Two Classes Trip Students
A total of 56 children went on a trip to the pupils of the two fourth grades. That 4A was four pupils more than 4. B How many pupils from each class went on a trip? - Sponsor
The children of the tennis school received 64 white and 48 yellow balls from the sponsor. When asked about how many balls they could take, they answered: "You have so many that none of you will have more than ten balls, and all will have the same number o - Orienteering teams
Twenty-six girls and 39 boys took part in the orienteering race. Create as many of the same teams as possible so that no competitor is left. How many boys and how many girls are on the team? - Combined Weight Puzzle
If Adam and Boris weigh a total of 75 kg, Boris and Cyril weigh a total of 83 kilograms, and Cyril and Dan weigh a total of 92 kg, how many kilograms do Adam and Dan weigh together? - Cook Island map
On the Cook Island map, the cycling trail measures 0.025 m. A cyclist moving at a constant speed of 15 km/h will cover the entire trail in 2/3 hours. Determine the scale of the Cook Island map. - It is 2
It is 90 feet from home plate to the first base on a baseball diamond. What is the area of the baseball diamond in square yards? - Parallelogram Interior Angles
Find the interior angles of the parallelogram if you know that one of them is 50 degrees larger than the other. - Map Scale Aerial Distance
On the map, at a scale of 1:1100000, the aerial distance between Martin and Brezno measures 5.5 cm. Calculate the aerial distance covered by the helicopter when it flies from Martin to Brezno and back. - Fabric Suits Length Meters
The cotton fabric in the bale in the store measures 101/5 meters. How many 10/7 meter suits can we sew from the whole bale of fabric?
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