Home
Class 9
MATHS
A cylindrical pillar is 50 cm in diamete...

A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved surface of the pillar at the rate of ₹ 12.50 per `m^2` .Assume `pi = 22/7` , unless stated otherwise.

Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    MODERN PUBLICATION|Exercise EXERCISE|228 Videos
  • STATISTICS

    MODERN PUBLICATION|Exercise EXERCISE|239 Videos
  • TRIANGLES

    MODERN PUBLICATION|Exercise EXERCISE|98 Videos

Similar Questions

Explore conceptually related problems

A cylinderical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of white washing the curved surface of the pillar at the rate of Rs 12.50 per m^2 .

A cylindrical pillar is 50 cm in diameter and 3.5 m high. Find the cost of white washing its curved surface at the rate of Rs 40 per m^2 .

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find (i) its inner curved surface area, (ii) the cost of plastering this curved surface at the rate of ₹ 40 per m^2 .Assume pi = 22/7 , unless stated otherwise.

The outer diameter of a drainage pipe is 1 m and it is 21 m long. Find the cost of painting the outer surface of the pipe at the rate of Rs 5 per m^2 .

The outer diameter of a drainage pipe is 1 m and it is 21 m long. Find the cost of painting the outer surface of the pipe at the rate of Rs 5 per m^2 .

In a building there are 24 cylindrical pillars. The radius of each pillar is 28 cm and height is 4 m. Find the total cost of painting the curved surface area of all pillars at the rate of Rs 8 per m^2 .

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find the cost of plastering this curved surface at the rate of Rs 40 per m^2 .

Find the ost of painting 12 pillars each of dimeter 48 cm and height 7 m at the rate of Rs.2.50 per m^2 .

The diameter of a cylindrical well is 4.5 m and depth of the well is 14m. Find the cost of cementing its inner curved surface at the rate of Rs 12.50 per sq. metre.

MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
  1. A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find th...

    Text Solution

    |

  2. Find the lateral surface and total surface area of a cuboid of length ...

    Text Solution

    |

  3. Find the total lateral surface area of a cube of edge is 10 cm.

    Text Solution

    |

  4. The latera surface area of a cube is 1014 sq.cm, find the main diagon...

    Text Solution

    |

  5. The lateral surface area of a cube is 64 m^2 find its total surface ar...

    Text Solution

    |

  6. Find the ratio of the total surface area and lateral surface area of a...

    Text Solution

    |

  7. The dimensions of a room are 5mxx4mxx3m. Find the cost of white washin...

    Text Solution

    |

  8. Find the length of the longest rod that can be placed in a room 12 m l...

    Text Solution

    |

  9. Can we construct a cube whose length of main diagonal is 13sqrt3cm and...

    Text Solution

    |

  10. Three equal cubes are placed adjacently in a row. Find the ratio of to...

    Text Solution

    |

  11. The momentum of a body is increased by 50% what is the percentage incr...

    Text Solution

    |

  12. The cost of preparing the walls of a room 12 m long at the rate of Rs ...

    Text Solution

    |

  13. The length and breadth of a room are in the ratio 4:3 and its height i...

    Text Solution

    |

  14. A class room is 7 m long, 6.5 m wide and 4 m high. It has one door 3 m...

    Text Solution

    |

  15. If V is the volume of a cuboid of dimensions a,b,c and S is its surfac...

    Text Solution

    |

  16. The areas of three adjacent faces of a cuboid are x,y and z. if the vo...

    Text Solution

    |

  17. Find the volume of the cuboid whose dimensions are length=26m, breadth...

    Text Solution

    |

  18. Find the volume of the cuboid whose dimensions are length=24 m, breadt...

    Text Solution

    |

  19. If the areas of three adjacent faces of a cuboid are 8cm^2,18cm^2 and ...

    Text Solution

    |

  20. The breadth of a room is twice its height and is half of its length. T...

    Text Solution

    |

  21. Two cubes, each of volume 512cm^3 are joined end to end. Find the surf...

    Text Solution

    |