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A 20 m deep well with diameter 7 m. is d...

A 20 m deep well with diameter 7 m. is dug and the earth got by digging is evenly spread out to form a rectangular platform of base 22m. `times` 14m. Find the height of the platform.

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The correct Answer is:
`2"".5m.`
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VGS PUBLICATION-BRILLIANT-MENSURATION-EXERCISE 10.4
  1. A metallic sphere of radius 4.2 cm. is melted and recast into the shap...

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  2. Three metallic spheres of radii 6 cm., 8 cm. and 10 cm. respectively a...

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    |

  3. A 20 m deep well with diameter 7 m. is dug and the earth got by diggin...

    Text Solution

    |

  4. A well of diameter 14m. is dug 15m. deep. The earth taken out of it ha...

    Text Solution

    |

  5. A container shaped like a right circular cylinder having diameter 12 c...

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  6. How many silver coins, 1.75 cm in diameter and thickness 2mm., need to...

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    |

  7. A vessel is in the form of an inverted cone. Its height is 8 cm. and t...

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  8. A solid metallic sphere of diameter 28 cm is melted and recast into a ...

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    |

  9. A metallic sphere of radius 4.2 cm. is melted and recast into the shap...

    Text Solution

    |

  10. Three metallic spheres of radii 6 cm., 8 cm. and 10 cm. respectively a...

    Text Solution

    |

  11. A 20 m deep well with diameter 7 m. is dug and the earth got by diggin...

    Text Solution

    |

  12. A well of diameter 14m. is dug 15m. deep. The earth taken out of it ha...

    Text Solution

    |

  13. A container shaped like a right circular cylinder having diameter 12 c...

    Text Solution

    |

  14. How many silver coins, 1.75 cm in diameter and thickness 2mm., need to...

    Text Solution

    |

  15. A vessel is in the form of an inverted cone. Its height is 8 cm. and t...

    Text Solution

    |

  16. A solid metallic sphere of diameter 28 cm is melted and recast into...

    Text Solution

    |