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Shanti Sweets Stall was placing an order...

Shanti Sweets Stall was placing an order for making cardboard boxes for paking their sweets. Two sizes of boxes were required. The bigger of dimensions 25 cm by 20 cm by 5 cm and the smaller of dimensions 15 cm by 12 cm by 5 cm. 5% of the total surface area is required extra, for all the overlaps. If the cost of the cardboard is Rs 4 for 1000 `cm^2`, find the cost of cardboard required for supplying 250 boxes of each kind.

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PSEB-SURFACE AREAS AND VOLUMES-EXAMPLE
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  3. Hameed has built a cubical water tank with lid for his house, with eac...

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  4. Savitri had to make a model of a cylindrical kaleidoscope for her scie...

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  5. The curved surface area of a right circular cone of slant height 10 cm...

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  6. The height of a cone is 16 cm and its base radius is 12 cm. Find the c...

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  7. A corn cob (see Fig. 13.17), shaped somewhat like a cone, has the radi...

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  8. Find the surface area of a sphere of radius 7 cm.

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  9. The surface area of a sphere is 5544 cm^2. Find its diameter.

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  10. The hollow sphere, in which the circus motorcyclist performs his stunt...

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  11. A hemispherical dome of a building needs to be painted (see Fig. 13.21...

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  12. A wall of length 10 m was to be built across an open ground. The heigh...

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  13. A child playing with building blocks, which are of the shape of cubes,...

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  14. The pillars of a temple are cylindrically shaped (see Fig. 13.26). If ...

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  15. At a Ramzan Mela, a stall keeper in one of the food stalls has a large...

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  16. The height and the slant height of a cone are 21 cm and 28 cm respecti...

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  17. Monica has a piece of canvas whose area is 551 m^2 . She uses it to ha...

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  18. Find the volume of a sphere of radius 11.2 cm.

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  19. A shot-putt is a metallic sphere of radius 4.9 cm. If the density of t...

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  20. A hemispherical bowl has a radius of 3.5 cm. What would be the volume ...

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