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Class 8 Maths Practice Test: Mensuration - Surface Area of a Cube, Cuboid and Cylinder
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The surface area of various solid shapes are:
Cuboid: 2(lb+bh+hl), where l, b and h are the length, breadth and height of a cuboid.

Cube: 6a2, a is the side of the cube.

Cylinder: 2πr (r+h), r is the radius of circular base and h is the height of the cylinder.

Class 8 Maths Practice Test: Mensuration - Surface Area of a Cube, Cuboid and Cylinder
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10 Questions

1. A gift in the form of cube has to be wrapped with gift paper whose external measures are 15 cm. Find the area of gift paper needed.
2. Find the surface area of the given cylinder.
3. What is the surface area of the given cube?
4. The internal measurement of a cuboidal room 15m × 6m × 4m.The room has to be painted along with the ceiling. If cost of painting is Rs 17 per m2, Find the total cost to be paid.
5. A building has 6 cylindrical pillars whose radius is 2m and height is 12m. Each pillar has to be painted and the cost of painting is Rs 22 per meter sq. Find the cost of painting the curved surface area of the 6 pillars.
6. Find the side of the cube whose surface area is 384m2.
7. Match the pairs.
AB
1)
a) 96 cm2
2)

b) 132 cm2
3)

c) 28 cm2
8. Find the surface area of the given cuboid.
9. If the surface area of a cuboid is 108 cm2, find the height of the cuboid. The length and breadth the cuboid is 6 and 3 cm respectively.
10. The curved surface of the cylinder is 88 cm2. The height of the cylinder is 5 m, what is the radius of the cylinder?

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