Home
Class 8
MATHS
the curved surface area of a cylindrical...

the curved surface area of a cylindrical pillar is 264 m square and its volume is 924 m cube . Find ratio of the diameter and the height of the pillar.

A

`3:7`

B

`7:3`

C

`6:7`

D

`7:6`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • VOLUME AND SURFACE AREA

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet - 26|10 Videos
  • VOLUME AND SURFACE AREA

    S CHAND IIT JEE FOUNDATION|Exercise Unit Test - 5|20 Videos
  • VOLUME AND SURFACE AREA

    S CHAND IIT JEE FOUNDATION|Exercise Section A (Question Bank - 27)|20 Videos
  • TRIGONOMETRICAL RATIOS OF STANDARD ANGLES

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet - 32 |10 Videos
S CHAND IIT JEE FOUNDATION-VOLUME AND SURFACE AREA -Section B (Question Bank - 27)
  1. If pi" cm"^(3) of metal is stretched to a wire of length 3600 m, then ...

    Text Solution

    |

  2. The number of iron rods, each of length 7 m and diameter 2 cm that can...

    Text Solution

    |

  3. the curved surface area of a cylindrical pillar is 264 m square an...

    Text Solution

    |

  4. The volume of a right circular cylinder, 14 cm in height is equal t...

    Text Solution

    |

  5. The number of coins of radius 0.75 cm and thickness 0.2 cm to be melte...

    Text Solution

    |

  6. A hollow iron pipe of 21 cm long and its external diameter is 8 cm. If...

    Text Solution

    |

  7. A well 20 m in diameter is dug 14 m deep and the earth taken out is sp...

    Text Solution

    |

  8. The height of a right circular cylinder is 6 m. If three times the ...

    Text Solution

    |

  9. The ratio of the radii of two cylinders is 1:sqrt(3) and their heights...

    Text Solution

    |

  10. If the radius of a right circular cylinder is decreased by 50% and its...

    Text Solution

    |

  11. The radii of the bases of two cylinders are in the ratio 3 : 5 and ...

    Text Solution

    |

  12. The diameter of the base of a cylindrical drum is 35 dm and its height...

    Text Solution

    |

  13. If the diameter of a wire is decreased by 10% by how much per cent app...

    Text Solution

    |

  14. The radius of a cylindrical cistern is 10 metres and its height is ...

    Text Solution

    |

  15. The volume of a right circular cylinder can be obtained from its curve...

    Text Solution

    |

  16. If the radius of a right circular cylinder open at both the ends is de...

    Text Solution

    |

  17. It is required to fix a pipe such that water flowing through it at ...

    Text Solution

    |

  18. A rectangular piece of paper is 24 cm long and 22 cm wide. A cylinder ...

    Text Solution

    |

  19. A hollow right circular cylinder with height 8 cm and base radius 7 cm...

    Text Solution

    |

  20. The magnitude of the volume of a closed right circular cylinder of uni...

    Text Solution

    |