Chapter 13 – Surface Areas and Volumes
4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m?
03
Jul
4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m? 4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m? July [...]
3. Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water.
03
Jul
3. Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water. 3. Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm when it is completely immersed in water. July 3, 2021 Category: Chapter 13 - Surface Areas [...]
2. A storage tank is in the form of a cube. When it is full of water, the volume of water is 15.625 m^3 . If the present depth of water is 1.3 m, find the volume of water already used from the tank.
03
Jul
2. A storage tank is in the form of a cube. When it is full of water, the volume of water is 15.625 m^3 . If the present depth of water is 1.3 m, find the volume of water already used from the tank. 2. A storage tank is in the form of a cube. [...]
1. Metal spheres, each of radius 2 cm, are packed into a rectangular box of internal dimensions 16 cm × 8 cm × 8 cm. When 16 spheres are packed the box is filled with preservative liquid. Find the volume of this liquid. Give your answer to the nearest integer. [Use π = 3.14 ]
03
Jul
1. Metal spheres, each of radius 2 cm, are packed into a rectangular box of internal dimensions 16 cm × 8 cm × 8 cm. When 16 spheres are packed the box is filled with preservative liquid. Find the volume of this liquid. Give your answer to the nearest integer. [Use π = 3.14 ] [...]
10. If the radius of a cylinder is doubled and height is halved, the volume will be doubled.
03
Jul
10. If the radius of a cylinder is doubled and height is halved, the volume will be doubled. 10. If the radius of a cylinder is doubled and height is halved the volume will be doubled. July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,
9. If a sphere is inscribed in a cube, then the ratio of the volume of the cube to the volume of the sphere will be 6 : π.
03
Jul
9. If a sphere is inscribed in a cube, then the ratio of the volume of the cube to the volume of the sphere will be 6 : π. 9. If a sphere is inscribed in a cube then the ratio of the volume of the cube to the volume of the sphere will be [...]
8. If the length of the diagonal of a cube is 6 root 3 cm, then the length of the edge of the cube is 3 cm.
03
Jul
8. If the length of the diagonal of a cube is 6 root 3 cm, then the length of the edge of the cube is 3 cm. 8. If the length of the diagonal of a cube is 6 root 3 cm then the length of the edge of the cube is 3 cm. July [...]
7. A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is 1 : 2 : 3.
03
Jul
7. A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is 1 : 2 : 3. 7. A cone a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is 1 : 2 : [...]
6. A cylinder and a right circular cone are having the same base and same height. The volume of the cylinder is three times the volume of the cone.
03
Jul
6. A cylinder and a right circular cone are having the same base and same height. The volume of the cylinder is three times the volume of the cone. 6. A cylinder and a right circular cone are having the same base and same height. The volume of the cylinder is three times the volume [...]
5. The volume of the largest right circular cone that can be fitted in a cube whose edge is 2r equals to the volume of a hemisphere of radius r.
03
Jul
5. The volume of the largest right circular cone that can be fitted in a cube whose edge is 2r equals to the volume of a hemisphere of radius r. 5. The volume of the largest right circular cone that can be fitted in a cube whose edge is 2r equals to the volume of [...]