Surface Areas and Volumes

Bihar Board Class 10 · Mathematics · 50 past questions

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1. Q45 2018

   The ratio of the total surface area to the lateral surface area of a cylinder with base radius 80 cm and…

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2. Q46 2018

   The radii of the base of a cylinder and a cone are in the ratio 3 : 4 and their heights are in the ratio 2…

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3. Q47 2018

   The volume of a cube is 2744 cm³. Its surface area (in cm²) is -

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4. Q48 2018

   How many balls, each of radius 1cm can be made from a solid sphere of lead of radius 8 cm?

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5. Q49 2018

   A hollow sphere of external and internal diameters 8cm and 4cm respectively is melted in to a cone of base…

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