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A spherical ball of lead 3 cm in diamete...

A spherical ball of lead 3 cm in diameter is melted and re casted into three spherical balls. If the diameter of two balls be `3/2` cm and 2 cm, find the diameter of the third ball.

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MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
  1. The diameter of a copper sphere is 6 cm. It is beaten and drawn into a...

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  2. How many lead shots each 0.3 cm in diameter be can made from a cuboid ...

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  3. A spherical ball of lead 3 cm in diameter is melted and re casted into...

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  4. A measuring jar of internal diameter 10 cm is partially filled with wa...

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  5. The interior of a building is in the form of a right circular cylinder...

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  6. In the Fig., solid consists of a cylindrical section of length 6.5 cm ...

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  7. A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. ...

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  8. If the total surface area of a cube is 54x^2. Find its lateral surface...

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  9. Find the total surface area of a cuboid which is 6 cm long, 7 cm wide ...

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  10. Find the edge of a cube whose surface area is 432m^2.

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  11. The surface area of a cuboid is 1300cm^2. If its length is 15 cm and h...

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  12. If two cubes, each of side 6 cm are joined face to face, then find the...

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  13. Write the number of surfaces of a right circular cylinder.

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  14. Base radius of two cylinder are in the ratio 2 : 3 and their heights a...

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  15. The heihgt of a cone is 15 cm. if its volume if 500 picm^3. Then find ...

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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. Find the volume of the largest right circular cone that can be placed ...

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  18. Find thelenght of cloth used in making a conical pandal of height 100 ...

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  19. Find the surface area of a sphere of radius 14 cm.

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  20. Find the volume of the sphere whose surface are is 154cm^2.

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