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The ratio of the total surface area to t...

The ratio of the total surface area to the lateral surface area of cylinder with base radius 80cm and height 20cm is __

A

`5:1`

B

`1:3`

C

`4:1`

D

`2:1`

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R G PUBLICATION-SURFACE AREA AND VOLUMES-EXERCISE
  1. During conversion of a solid from one shape to another,the volume of t...

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  2. The diameter of a sphere is 6 cm.It is melted and drawn into a wire of...

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  3. The volume of a cube is 2744cm^3.Its surface area is a)1176cm^2 b) 61...

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  4. The length of the diagonal of a cube 6sqrt3cm.Its total surface area i...

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  5. If edge of a cube is increased by 50% the percentage increase in the s...

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  6. A metallic sphere of radius 10.5cm is melted and then recast into smal...

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  7. A sphere of radius 6cm is dropped into a cylindrical vessel partly fil...

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  8. The curve surface area of a right circular cone of height 15cm and bas...

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  9. In a shower,5 cm rain falls.The volume of the water that falls on 2 he...

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  10. The ratio of the total surface area to the lateral surface area of cyl...

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  11. On increasing each of the radius of the base and the height of a cone ...

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  12. If three metallic spheres of radii 6cm,8cm and 10cm are melted to form...

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  13. A right triangle with sides 3cm,4cm and 5cm is rotated about the side ...

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  14. The volume of the greatest sphere that can be cut off from a cylindric...

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  15. The maximum volume of a cone that can be carved out of a solid hemisph...

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  16. The diameter of the ends of a frustum of a cone are 32 cm and 20cm.If ...

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  17. The circular ends of a bucket are of radii 35cm and 14 cm and the heig...

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  18. The height and radius of the cone of which the frustum is a part are h...

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  19. If the radius of the base of a right circular cylinder is halved,keepi...

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  20. A soild frustum is of height 8 cm.If the lower and upper ends are 3cm ...

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