# Volume + expression of a variable from the formula - math problems

#### Number of problems found: 237

• Tank diameter
A cylindrical tank has a volume of 60 hectoliters and is 2.5 meters deep. Calculate the tank diameter.
• Cuboid enlargement
By how many percent increases the volume of cuboid if its every dimension increases by 30%?
• Cuboid and ratio
Find the dimensions of a cuboid having a volume of 810 cm3 if the lengths of its edges coming from the same vertex are in ratio 2: 3: 5
• Cube V2S
The volume of the cube is 27 dm cubic. Calculate the surface of the cube.
• The cylinder
The cylinder has a surface area of 300 square meters, while the height of the cylinder is 12 m. Calculate the volume of this cylinder.
• Axial cut
The cone surface is 388.84 cm2, the axial cut is an equilateral triangle. Find the cone volume.
• Edges or sides
Calculate the cube volume, if the sum of the lengths of all sides is 276 cm.
• Cube walls
Find the volume and the surface area of the cube if the area of one of its walls is 40 cm2.
• Sphere A2V
The surface of the sphere is 241 mm2. What is its volume?
• Uboid volume
Calculate the cuboid volume if the walls are 30cm², 35cm², 42cm²
• Body diagonal - cube
Calculate the surface and cube volume with body diagonal 15 cm long.
• Area of a cube
Calculate the surface area of a cube if its volume is equal to 729 cubic meters.
• Hollow sphere
The volume of the hollow ball is 3432 cm3. What is its internal radius when the wall thickness is 3 cm?
• The pot
The pot is a cylinder with a volume of V = 7l and an inner diameter of d = 20cm. Find its depth.
• The edge of a cube
How much does the edge of a cube of 54.9 cm3 measure?
• Calculate 3
Calculate the cube volume whose edge is 3x-1,3x-1,3x-1
• Cylinder and its circumference
If the height of a cylinder is 4 times its circumference c, what is the volume of the cylinder in terms of its circumference, c?
• Volume of the cone
Calculate the volume of the cone if the content of its base is 78.5 cm2 and the content of the shell is 219.8 cm2.
• Cube 7
Calculate the volume of a cube, whose sum of the lengths of all edges is 276 cm.
• Body diagonal
Calculate the cube volume, whose body diagonal size is 75 dm. Draw a picture and highlight the body diagonal.

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...