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10. The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratios of the surface areas of the balloon in the two cases is
03
Jul
10. The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratios of the surface areas of the balloon in the two cases is 10. The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into [...]
9. The length of the longest pole that can be put in a room of dimensions (10 m × 10 m × 5m) is
03
Jul
9. The length of the longest pole that can be put in a room of dimensions (10 m × 10 m × 5m) is 9. The length of the longest pole that can be put in a room of dimensions (10 m × 10 m × 5m) is July 3, 2021 Category: Chapter 13 - [...]
8. The number of planks of dimensions (4 m × 50 cm × 20 cm) that can be stored in a pit which is 16 m long, 12m wide and 4 m deep is
03
Jul
8. The number of planks of dimensions (4 m × 50 cm × 20 cm) that can be stored in a pit which is 16 m long, 12m wide and 4 m deep is 12m wide and 4 m deep is 8. The number of planks of dimensions (4 m × 50 cm × 20 [...]
7. The lateral surface area of a cube is 256 m^2. The volume of the cube is
03
Jul
7. The lateral surface area of a cube is 256 m^2. The volume of the cube is 7. The lateral surface area of a cube is 256 m^2. The volume of the cube is July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,
6. The radii of two cylinders are in the ratio of 2:3 and their heights are in the ratio of 5:3. The ratio of their volumes is:
03
Jul
6. The radii of two cylinders are in the ratio of 2:3 and their heights are in the ratio of 5:3. The ratio of their volumes is: 6. The radii of two cylinders are in the ratio of 2:3 and their heights are in the ratio of 5:3. The ratio of their volumes is: July [...]
5. The total surface area of a cone whose radius is 2/r and slant height 2l is
03
Jul
5. The total surface area of a cone whose radius is 2/r and slant height 2l is 5. The total surface area of a cone whose radius is 2/r and slant height 2l is July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,
4. In a cylinder, radius is doubled and height is halved, curved surface area will be
03
Jul
4. In a cylinder, radius is doubled and height is halved, curved surface area will be 4. In a cylinder curved surface area will be radius is doubled and height is halved July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,
3. A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a sphere. The radius of the sphere is :
03
Jul
3. A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a sphere. The radius of the sphere is : 3. A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a sphere. [...]
2. The total surface area of a cube is 96 cm^2. The volume of the cube is:
03
Jul
2. The total surface area of a cube is 96 cm^2. The volume of the cube is: 2. The total surface area of a cube is 96 cm^2. The volume of the cube is: July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,
1. The radius of a sphere is 2r, then its volume will be
03
Jul
1. The radius of a sphere is 2r, then its volume will be 1. The radius of a sphere is 2r then its volume will be July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 ,