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A well with 10 m inside diameter is dug ...

A well with 10 m inside diameter is dug 14 m deep. Earth taken out of its is spread all around to a width of 5 m to form an embankment. Find the height of the embankment.

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MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
  1. A cone and a hemispher have equal bases and equal volumes. Find the ra...

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  2. Three solid sphres of radius 1 cm, 6 cm and 8 cm, respectively are mel...

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  3. The ratio of the volumes of a right circular cylinder and a right circ...

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  4. If the ratio of the volumes of two spheres is 1:8, then the ratio of t...

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  5. If a solid sphere of radius r is melted and cast into the shape of a s...

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  6. A cone of semi vertical angle of alpha is inscribed in a sphere of rad...

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  7. How many cubical blocks wose edge measures 3 cm can be formed by melti...

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  8. How much length of the iron sheet 11 cm, wide is required for making a...

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  9. The slant side of a right circular cone is 10 m and its height 8 m. fi...

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  10. Find the lateral surface area of a cube of side is 8 cm.

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  11. The total surface area of a cylinder is 462cm^2 and its curved surface...

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  12. If the radius of a sphere is increased by 10%, prove that its volume w...

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  13. The surface area of a sphere of radius 5 cm is five times the area of ...

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  14. A well with 10 m inside diameter is dug 14 m deep. Earth taken out of ...

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  15. How many metres of cloth 5 m wide will be required to make a conical t...

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  16. The volume of two spheres are in the ratio 64:27. Find the difference ...

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  17. The radius and height of right circular cone area in the ratio 4:3 and...

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  18. The radius of the base of a cone is 14 cm and its height is 24 cm. fin...

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  19. The ratio of the curved surface area and the total surface area of a c...

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  20. Two cylindrical vessels are filled with oil. Their radii are 15 cm res...

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