Home
Class 14
MATHS
The height of a conical tank is 60 cm an...

The height of a conical tank is 60 cm and the diameter of its base is 64 cm. The cost of painting it from outside at the rate of Rs35 per sq m is

A

(a) Rs. 52.00 approx.

B

(b) Rs. 39.20 approx.

C

(c) Rs. 35.20 approx.

D

(d) Rs. 23.94 approx.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE VII|60 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise Test Yourself|28 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE - V|304 Videos

  • LCM AND HCF

    KIRAN PUBLICATION|Exercise Test Yourself |18 Videos

  • MISCELLANEOUS

    KIRAN PUBLICATION|Exercise TYPE-VI|15 Videos

Similar Questions

Explore conceptually related problems

A toy is in the form of a cylinder with hemispherical ends. If the whole length of the toy is 90 cm and its diameter is 42 cm , find the cost of painting the toy at the rate of 70 paise per sq m .

The diameter and height of a cylindrical water tank are 2 m and 14 m respectively. Find the cost of painting its outer curved surface at the rate of Rs. 20 per m^(2) .

Find the volume of a cubical box if the cost of painting its outer surface is Rs 1440 at the rate of Rs 15 per sq.m.

The height of a cone is 16 cm and radius of its base is 30 cm. If the rate of painting it is Rs. 14//cm^(2) , then what will be that total cost in painting the curved surface of cone from outside ?

The dome of a building is in the form of a hemisphere.Its radius is 63dm. Find the cost of painting it at the rate of Rs.2 per sq.m.

A conical cap has the base diameter 24 cm and height 16 cm. What is the cost of painting the surface of the cap at the rate of 70 paise per sq cm?

The height of a cone is 24 cm and radius of its base 10 cm.If the rate of painting it is ₹ 28 per cm^2 , then what will be the total cost in painting the cone from outside?

A wooden toy is in the form of a cone surmounted on a hemisphere.The diameter of the base of the cone is 5cm and its height is 4cm. Find the cost of painting the toy at the rate of Rs.5 per 1000cm^(2) .

A souvenir is made by scooping out a hemisphere from each end of a solid cylinder If the height the cylinder is 10cm and its base is of radius 3.5cm then find the total cost of polishing the souvenir at the rate of Rs.10 per sq cm

KIRAN PUBLICATION-MENSURATION-TYPE VI
  1. A hall 25 metres long and 15 metres broad is surrounded by a verandah ...

    Text Solution

    |

  2. A cube of edge 6 cm is painted on all sides and then cut into units cu...

    Text Solution

    |

  3. The height of a conical tank is 60 cm and the diameter of its base is ...

    Text Solution

    |

  4. Some solid metallic right circular cones, each with radius of the base...

    Text Solution

    |

  5. The diameter of a circular wheel is 7 m. How many revolutions will it ...

    Text Solution

    |

  6. A spherical lead ball of radius 10 cm is melted and small lead balls o...

    Text Solution

    |

  7. The total number of spherical bullets, each of diameter 5 decimeter, t...

    Text Solution

    |

  8. A solid metallic cone of height 10 cm, radius of base 20 cm is melted ...

    Text Solution

    |

  9. A cylindrical rod of iron whose height is eight times its radius is me...

    Text Solution

    |

  10. The number of spherical bullets that can be made out of a solid cube o...

    Text Solution

    |

  11. The radius of a metallic cylinder is 3 cm and its height is 5 cm. It i...

    Text Solution

    |

  12. If a metallic cone of radius 30 cm and height 45 cm is melted and reca...

    Text Solution

    |

  13. Water flows at the rate of 10 m/min from a cylindrical pipe 5 mm in di...

    Text Solution

    |

  14. A metallic sphere of radius 10.5 cm is melted and then recast into sma...

    Text Solution

    |

  15. The radius of the base of a Conical tent is 12 m. The tent is 9 m high...

    Text Solution

    |

  16. If the radius of a cylinder is decreased by 50% and the height is incr...

    Text Solution

    |

  17. If both the radius and height of a right circular cone are increased b...

    Text Solution

    |

  18. If the area of the base of a cone is increased by 100%, then th volume...

    Text Solution

    |

  19. The percentage increase in the surface area of a cube when each side i...

    Text Solution

    |

  20. Each side of a cube is decreased by 25%. Find the ratio of the volumes...

    Text Solution

    |