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True/false In case of a hollwo cylinder....

True/false
In case of a hollwo cylinder. Inner curved surface area of a hollow cylinder=`2pih(R-r)`

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MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
  1. True/false For a right circular of base radius 7 cm and height 14 cm, ...

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  2. A metal pipe is 77 cm long. The inner diameter of a cross section is 4...

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  3. True/false In case of a hollwo cylinder. Inner curved surface area of ...

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  4. True/false If total surface of a cube of side is 294cm^3, then a=8cm.

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  5. Fill ups Diagonal of a cuboid dimensions lxxbxxh is …………….. .

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  6. Fill ups The principal diagonal of a cube of edge a is …………….whereas d...

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  7. Fill ups The dimensions of a cuboidal vessel are 100mxx5mxx2m, it can ...

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  8. Fill ups The capacity of a cuboidal tank is 50 kl, if its length and d...

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  9. Fill ups ……………..times the volume of a cone is equal to volume of cylin...

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  10. Fill ups The curved surface area of a hollow cylinder of height h with...

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  11. Fill ups The surface area generated by revolving a bangle about one of...

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  12. Fill ups The number of children each holding an empty cone of radius 2...

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  13. Fill ups The numbre of conical vessels required to empty the completel...

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  14. Fill ups If a metallic hemisphere is recasted into a sphere, then radi...

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  15. The length breadth and height of cuboid are 15 m, 6m and 5 dm respecti...

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  16. What is the maximum length of a pencil that can be placed in a rectang...

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  17. How many bricks will be required to construct a wall 8 m long, 6 m hig...

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  18. The lateral surface area of a cube is 256cm^2. The volume of the cube ...

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  19. The volume of a cube is 512cm^3. Its total surface area is

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  20. Three cubes of metal with edges 3 cm, 4 cm and 5 cm respectively are m...

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