Home
Class 14
MATHS
The total surface area of a solid cylind...

The total surface area of a solid cylinder is `1155 cm^2`. Its curved surface area is equal to two-fifths of its total surface area. What is the height of the cylinder?
एक ठोस बेलन (सिलिंडर) का कुल पृष्ठ क्षेत्रफल `1155 cm^2` है | उसका वक्र पृष्ठ क्षेत्रफल, उसके कुल पृष्ठ क्षेत्रफल के2/5 के बराबर है | बेलन (सिलिंडर) की ऊंचाई (cm में) कितनी है? `(pi= 22/7)`

A

7

B

5

C

6

D

10.5

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MEAN, MEDIAN & MODE

    PINNACLE|Exercise EXERCISE|39 Videos
  • MIXTURE & ALLIGATION

    PINNACLE|Exercise EXERCISE|26 Videos
PINNACLE-MENSURATION-EXERCISE
  1. A solid metallic cylinder, whose base radius is 4 cm and height is 5 1...

    Text Solution

    |

  2. The length of a rectangle is 6 cm more than its breadth. And its perim...

    Text Solution

    |

  3. The total surface area of a solid cylinder is 1155 cm^2. Its curved su...

    Text Solution

    |

  4. From a spherical solid made of wood with radius 6 cm, a cube of maximu...

    Text Solution

    |

  5. The volumes of two spheres are in the ratio of 64:125. The ratio betwe...

    Text Solution

    |

  6. What is the volume ( in cm^3) of a sphere with diameter 18 cm. ( corre...

    Text Solution

    |

  7. The central angle of a sector of a circle with a radius of 30 cm measu...

    Text Solution

    |

  8. If the wheel of a bicycle takes 160 rounds to cover a distance of 1.8 ...

    Text Solution

    |

  9. If the area of a circle is 154 sq. cm, then find the ratio between the...

    Text Solution

    |

  10. The side of a square is a cm. The ratio between its diagonal and its s...

    Text Solution

    |

  11. A solid sphere of brass with a radius 15 cm is drawn into a wire of di...

    Text Solution

    |

  12. A solid metallic cuboid measuring 343 cm x 49 cm x 7 cm is melted and ...

    Text Solution

    |

  13. The length, breadth and height of a cuboid are 6 cm, 8 cm and 10 cm re...

    Text Solution

    |

  14. The radius of a circle is equal to the length of a rectangle. The circ...

    Text Solution

    |

  15. 2541 metallic sphere balls, each with a radius of 1 cm, are melted to ...

    Text Solution

    |

  16. A cylindrical bucket, whose height is 27 cm and base radius is 48 cm, ...

    Text Solution

    |

  17. The area of a circular ground is approximately equal to 73 1/3 % of th...

    Text Solution

    |

  18. The sides of a triangular park are 200 m, 210 m and 290 m. The area of...

    Text Solution

    |

  19. A reservoir is in the shape of a frustum of a right circular cone. The...

    Text Solution

    |

  20. 1000 solid spherical balls each of radius 0.6 cm are melted and recast...

    Text Solution

    |