## Mensuration Important Questions

**1. Find the lateral surface area and the total surface area of a cuboid whose dimensions are 26m,14m and 6.5m**

**2. The dimensions of a room are 9m×8m×6.5m. It has one door of dimensions 2 m×1.5m and two windows each of dimensions 1.5m×1m. Find the cost of white washing the walls at Rs6.40 per m2.**

**4. A roller is 150 cm long has a diameter of 70 cm. To level a play ground it takes 750complete revolutions. Determine the cost of leveling the play ground at the rate of 75paise per m2.**

**5. The diameter of a cylinder is 28cm and its height is 40cm. Find the curved surface area, total surface area and the volume of the cylinder.**

**6. The curved surface area of a cone is 4070cm2and its diameter is 70cm. What is its slant height?**

**7. The circumference of the base of a cone is 44 cm and its slant height is 25 cm. Find the volume and curved surface of the cone.**

**8. Find the total surface area of a hemisphere of radius 10cm. π=3.14**

**9. If the radius of a balloon is doubled by pumping air into it, find the ratio of the two surface areas.**

**10. A water tank in the form of a cuboid is 6m long, 5m wide and 4.5m deep. Find the capacity of the tank in litres if 1m3=1000 litres.**

**11. If the surface area of a cube is 864 cm2, find the volume of the cube.**

**12. The diameters of two cones are equal. If their slant heights are in the ratio 5:4, find the ratio of their curved surface area.**

**13. 50 circular plates, each of radius 7cm and thickness 12cm are placed one above the other to form a solid right circular cylinder. Find the total surface area and volume of the cylinder.**

**14. A powder tin has a square base with side 12cm and height 17.5cm. Another is cylindrical with diameter of its base 12cm and height 17.5 cm. Which has more capacity and by how much?**

**15. Find the volume, curved surface area and the total surface area of a cone whose height the slant height are respectively 6 cm and 10cm respectively. π=3.14.**

**16. The radius and height of a right circular cone are in the ratio 5:12. If its volume is 314cm3, find its slant height.**

**17. The volume of a sphere is 38808 cm3. Find its radius and hence its surface area.**

**18. The surface areas of two spheres are in the ratio 1:4. Find the ratio of their volumes.**

**19. A solid metallic cylinder of base radius 3cm and height 5cm is melted to form a cone of height 1cm and base radius 1mm. Find the number of cones formed.**

**20. A cone is 8.4 cm high and the radius of its base is 2.1cm. It is melted and recast into a sphere. Find the radius of the sphere.**

Read more topics

Circle-theorem-2

Circle-theorem-1

Theorems-of-triangles

Important-rule-for-circle

Surface-area-and-volume

Herons-formula

Circle

Area-of-parallelograms

Elementry-algebra-questions

Polynomials

Formula-sheet-maths

Co ordinate geometry

Mensuration

Quadrilateral extra questions

sample paper 1

Sample paper 2

Sample paper 3

Number system

Median of triangle

circle-theorem-2

circle-theorem-1

Theorems-of-triangles

important-rule-for-circle

surface-area-and-volume

herons-formula

circle

Area-of-parallelograms

elementry-algebra-questions

polynomials

formula-sheet-maths

co ordinate geometry

mensuration

Circle-theorem-2

Circle-theorem-1

Theorems-of-triangles

Important-rule-for-circle

Surface-area-and-volume

Herons-formula

Circle

Area-of-parallelograms

Elementry-algebra-questions

Polynomials

Formula-sheet-maths

Co ordinate geometry

Mensuration

Quadrilateral extra questions

sample paper 1

Sample paper 2

Sample paper 3

Number system

Median of triangle

circle-theorem-2

circle-theorem-1

Theorems-of-triangles

important-rule-for-circle

surface-area-and-volume

herons-formula

circle

Area-of-parallelograms

elementry-algebra-questions

polynomials

formula-sheet-maths

co ordinate geometry

mensuration

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