Conversion of Solid | Surface Areas and Volumes | CBSE | Class 10 | Math
Shiksha Abhiyan
- 12
- Episodes
- 2020
- First episode
About Conversion of Solid | Surface Areas and Volumes | CBSE | Class 10 | Math
This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||
- Publisher
- Shiksha Abhiyan
- Category
- education
- Language
- hi
- Explicit
- No
- First episode
- 1 Oct 2020
- Latest episode
- 2 Oct 2020
Latest episodes
12 episodes in the feed.
2 Oct 2020
Q12. A solid iron rectangular block of dimension 4.4m, 2.6m, and 1m is cast into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. Find the length of the pipe.
2 Oct 2020
Q11. Find the number of coins, 1.5cm in diameter and 2 mm thick, to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm.
2 Oct 2020
Q10. A solid cylinder of diameter 12 cm and height 15 cm is melted and recast into 12 toys in the shape of a right circular cone mounted on a hemisphere. Find the radius of the hemisphere and total height of the toy, if the height of the conical part is thrice its radius.
2 Oct 2020
Q9. The diameter of a copper sphere is 6 cm. The sphere is melted and drawn into a long wire of uniform circular cross section. If the length of the wire is 36 in, find its thickness.
2 Oct 2020
Q8. A girl empties a cylindrical bucket full of sand, of the base radius 18cm and height 32 cm, on the floor to form a conical heap of sand. If the height of this conical heap is 24 cm then find its slant height correct to one place of decimal.
2 Oct 2020
Q7. A hollow sphere of internal and external diameter 4 cm and 8 cm is melted to form a cone of base diameter 8 cm. Find the height and the slant height of the cone.
2 Oct 2020
Q6. The internal and external radii of a hollow sphere are 3cm and 5cm respectively. The sphere is melted to form a solid cylinder of height 2 2/3cm. Find the diameter and the curved surface area of the cylinder.
2 Oct 2020
Q5. A metallic sphere of radius 10.5cm is melted and then recast into smaller cones, each of radius 3.5cm and height 3cm. How many cones are obtained?
2 Oct 2020
Q4. A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in the figure. If the height of the cylinder is 12 cm and its base is of radius 4.2cm, fmd the total surface area of the article. Also fmd the volume of the wood left in the article.
2 Oct 2020
Q3. From a solid right circular cylinder with height 12 cm and radius of the base 5 cm , a right circular cone of the same height and the same base radius is removed. Find the volume and total surface area of the remaining solid. [Use π = 3.14 ]
2 Oct 2020
Q2. The largest possible sphere is curved out from a solid wooden cube of side 7 cm. find the percentage of wood wasted in the process.
1 Oct 2020
Q1. A solid cylinder of diameter 12 cm and height 15 cm is melted and recast into 12 toys in the shape of a right circular cone mounted on a hemisphere. Find the radius of the hemisphere and total height of the toy a the height of the cone is 3 times the radius.
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