Home
Class 14
MATHS
Find the area of the iron sheet required...

Find the area of the iron sheet required to prepare a cone double the height of 12 cm with diameter of the base 14 cm.

A

504 sq cm

B

804 sq cm

C

304 sq cm

D

704 sq cm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • VOLUME AND SURFACE AREA

    ARIHANT SSC|Exercise MULTI CONCEPT QUESTIONS|4 Videos

  • UNITARY METHOD

    ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTIONS|9 Videos

  • WORK AND TIME

    ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTION|16 Videos

Similar Questions

Explore conceptually related problems

Find the area of the iron sheet required to prepare a cone 20 cm high with base radius 21 cm.

Find the total surface area of a cone, if its slant height is 21cm and diameter of its base is 24 cm

A hollow sphere which has internal and external diameter as 16 cm and 14 cm respectively is melted into a cone with a height of 16 cm. Find the diameter of the base of the cone.

A hollow sphere which has internal and exter- nal diameters as 14cm and 16cm respectively is melted and recast into a cone with a height of 16cm. Find the diameter of the base.

A cylinder bucket of diameter 28 cm and height 20 cm was full of sand. When the sand in the bucket was poured on the ground, the sand got converted into a shape of a cone. If the height of the cone was 14 cm , what was the base area of the cone?

A toy is in the form of a cone mounted on a hemisphere such that the diameter of the base of the cone is equal to that of the hemisphere. If the diameter of the base of the cone is 6 cm and its height is 4 cm, what is the surface area of the toy in cm^(2) ? (Take pi = 3-14)

ARIHANT SSC-VOLUME AND SURFACE AREA -FAST TRACK PRACTICE
  1. Let A be a pyramid on a square base and B be a cube. let a,b and c den...

    Text Solution

    |

  2. A conical flask is full of water. The flask has base radius r and heig...

    Text Solution

    |

  3. Seven equal cubes each of side 5 cm are joined end-to-end. Find the su...

    Text Solution

    |

  4. A hemispherical basin of 150 cm diameter holds water 120 times as much...

    Text Solution

    |

  5. A well of inner diameter 14 m is dug to a depth of 15 m. Earth taken ...

    Text Solution

    |

  6. In a shower, 10 cm of rain falls. What will be the volume of water tha...

    Text Solution

    |

  7. A large solid metallic cylinder whose radius and height are equal to e...

    Text Solution

    |

  8. What is the volume of the largest sphere that can be curved out of a c...

    Text Solution

    |

  9. A right circular metal cone (solid) is 8 cm high and the radius is 2 c...

    Text Solution

    |

  10. Let the largest possible right circular cone and largest possible sphe...

    Text Solution

    |

  11. 10 circular plates each of thickness 3 cm, each are placed one above t...

    Text Solution

    |

  12. A cylindrical box of radius 5 cm contains 10 solid spherical balls, ea...

    Text Solution

    |

  13. A cone has height which is half of 16.8 cm, while diameter of its base...

    Text Solution

    |

  14. A hospital room is to accommodate 56 patients. It should be done in su...

    Text Solution

    |

  15. Water flows into a tank 180 m x 140 m through a rectangular × pipe of ...

    Text Solution

    |

  16. What part of a ditch, 48 metres long, 16.5 metres broad and 4 metres d...

    Text Solution

    |

  17. Find the area of the iron sheet required to prepare a cone double the ...

    Text Solution

    |

  18. A copper sphere of diameter 36 cm is drawn into a wire of diameter 4 m...

    Text Solution

    |

  19. The floor of a rectangular hall has a perimeter 250 m. If the cost of...

    Text Solution

    |

  20. The adjoining figure represents a solid consisting of a cylinder surm...

    Text Solution

    |