Surface Areas and Volumes

Bihar Board Class 10 · Mathematics · 50 past questions

8 of 50 · show all

1. Q25 2023

   How many solid spheres of radius 1 cm can be made from a solid sphere of radius 8 cm ?

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2. Q26 2023

   The base diameter of a cone is 10 cm and its height is 12 cm. Then the volume of cone is

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3. Q27 2023

   The external radius of a metallic pipe is 4 cm and its internal radius is 3 cm. If its length is 10 cm, then…

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4. Q28 2023

   The areas of bases of a cone and a cylinder are equal and their curved surface areas are also equal. If the…

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5. Q29 2023

   If the volume of a cube is 125 cm$^3$ then the ratio of the side of cube and diagonal of the cube is

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6. Q30 2023

   If the total surface area of a hemisphere is 462 cm$^2$ then its diameter is

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7. Q31 2023

   The radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5: 3. Then the ratio of…

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8. Q32 2023

   If the radius of a sphere becomes 3 times then its volume will become

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