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What is the area of the 4 walls of the room?

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Important Questions on Mensuration

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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
Two cubes each of volume 64 cm3 are joined end to end. Then the surface area of the resulting cuboid is
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder

The edge of a cube is 8 cm .What is the total surface area of the cube?

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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The length, breadth and height of a cuboid are 18 cm, 24 cm and 4 cm respectively. The volume of cube is equal to the volume of given cuboid. The side of the cube is:
MEDIUM
Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
A room has floor size of 15×6 sq cm. What is the height of the room, if the sum of the areas of the base and roof is equal to the sum of the areas of the four walls ?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
Three cubes with edges 6 cm each are joined end to form a cuboid. The total surface area of the cuboid is:
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder

 If two cubes of the length of each side 26cm are placed side by side, then the length of the diagonal of the cuboid so produced is 

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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The total surface area of a cube is 864 cm2. What is its volume (in cm3)?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The dimensions of a cuboid are in the ratio of 1:2:3 and its total surface area is 88 m2, then the dimensions will be
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
A solid cube is cut into three cuboids of same volumes. What is the ratio of the surface area of the cube to the sum of the surface areas of any two of the cuboids so formed?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The liquid in a container is sufficient to paint an area of 11.28 m2. How many boxes of dimension 30 cm×25 cm×12 cm can be painted with the liquid in this container?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
A solid cube having volume 46656 cm3 is cut into 27 cubes of equal volume. The surface area of the smaller cubes is:
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
Find the height of a cube whose volume is 330 cm3 and base area is 15 cm2.
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The surface area of a cube is 150 sq. cm. What is the length of its diagonal (in cm)?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
2 cubes each of volume 64 cm3 are joined end to end. The surface area of the resulting cuboid is : 
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
How many bricks each measuring 64 cm×11.25 cm×6 cm, will be needed to build a wall measuring 8 m×3 m×22.5 m?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The surface area of a cube is 13.5 m2. What is the length of its diagonal?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
If each edge of a cube is increased by 50%  then the percentage increase in its surface area is 
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
A cuboid of size 100 cm×80 cm×60 cm cut into eight identical parts by three cuts. What is the total surface are (in cm2 )of all the eight parts?
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Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
The length, breadth and height of a cuboidal box are in ratio 7:5:3 and its whole surface area is 27832 cm3. Its volume is:
HARD
Mathematics>Geometry>Mensuration>Surface Area of Cube, Cuboid and Cylinder
Consider a cuboid all of whose edges are integers and whose base is square. Suppose the sum of all its edges is numerically equal to the sum of the areas of all its six faces. Then the sum of all its edges is.