Maths practice for 12-year-olds - page 181 of 350
Number of problems found: 6986
- Cardholders 21563
Two cardholders will build a tower of cards in 0.5 hours. In how many hours will five such a tower be built? - Sheets into container
How many sheets need to be closed on the block-shaped container above), which is 4 m wide, 250 cm long, and 35 dm high? How many liters of water can fit in it? - Circumference 21463
The circumference of the rectangle is 40cm. Find the rectangle size if you know the sides are in a 4:1 ratio. - Perpendicular 21433
Calculate the height of the vertical prism with the rectangle's base if the dimensions of the edges of the floor are a = 12 dm, b = 50 mm, and the prism's volume V = 0.6 l. - Spherical 21373
The spoon has the shape of half a spherical surface with a radius of 50 mm. What volume of fluid does it fit when filled to the brim? - Cylinder-shaped 21363
82 hl of water per hour flows into the empty cylinder-shaped pool with a bottom diameter of 7.5 m. How high will the pool be filled if the water has flowed in for 4 hours? - Height to the base
The triangle area is 35 cm². The size of the base is 10 cm. Find the length of height to the base. - Ratio of counts
There are 15 boys and 13 girls in the class. What is the ratio of boys and girls? - Mother's 21233
They changed my mother's original salary to 750 euros in a 6:5 ratio. How many euros is he earning now? - 12-carat 21203
I have a pile of 48 grams of 12-carat gold. How many grams of gold do I have in a pile? - Centimeters 21193 What is the height of a block whose base edges are 12 centimeters long and 6 centimeters long if its volume is 360 cubic centimeters?
- Calculate S,V
Calculate the volume and surface area of the sphere if given r = 36mm. - Corresponding height
Calculate the height corresponding to the side of the parallelogram ABCD if the side is 7.4 cm long and the area of the parallelogram is 33.3 cm2 - Cylindrical 21123
When the body was immersed in a cylindrical vessel filled with water, the water level in the vessel rose by 28 mm. Calculate the volume of the immersed body if you know that the diameter of the bottom of the container is 8 cm. - The temperature 5
The temperature at 4 pm was 53°Fahrenheit. The temperature dropped 3° each hour from 4 pm to 9 pm. Which equation below accurately represents the temperature at 9 pm? . - The outdoor
The outdoor temperature was 60 degrees Fahrenheit at midnight. The temperature went down 3 degrees each hour for the next 4 hours. What was the temperature at 4 AM? - Consecutive 21043
The sum of three consecutive natural numbers is 864. Determine the smallest of them. - Consecutive 21033
The sum of eight consecutive even natural numbers is 1,688. Determine the largest of the numbers. - A bucket
A bucket has 4 liters of water when it is 2/5 full. How much can it hold? - Simplest form
Find the simplest form of the following expression: 3 to the 2nd power - 1/4 to the 2nd power.
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