Home
Class 14
MATHS
The area of the sheet metal needed to ma...

The area of the sheet metal needed to make a box of size 7cm x 8cm x 9cm is:
7 सेमी x 8 सेमी x 9 सेमी आकार के एक डिब्बे को बनाने के लिए आवश्यक धात्विक चादर का क्षेत्रफल होगा :

A

`382 cm^2`

B

`156 cm^2`

C

`412 cm^2`

D

`139 cm^2`

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. The volume of a prism is 288 cm^3 and height is 24 cm. The base area (...

    Text Solution

    |

  2. The length, breadth and height of a cuboid are 18 cm, 24 cm, and 4 cm ...

    Text Solution

    |

  3. The area of the sheet metal needed to make a box of size 7cm x 8cm x 9...

    Text Solution

    |

  4. The volume of prism is 308 cm^3 and height is 11 cm. The base area of ...

    Text Solution

    |

  5. The diagonal of a square measures 6 sqrt2 cm. The measure of the diago...

    Text Solution

    |

  6. How many cubes with a side 10 cm can be cut out of a cube having a sid...

    Text Solution

    |

  7. Find the curved surface area of a right circular cylinder whose height...

    Text Solution

    |

  8. If two cubes, each having the side 10 mm, are put in a box containing ...

    Text Solution

    |

  9. A solid cube, in which the diagonal of each face is 128 sqrt2 cm, has ...

    Text Solution

    |

  10. The total surface area of a hemisphere is 462 cm^2. What is the diamet...

    Text Solution

    |

  11. A hemisphere of radius 30 cm is moulded to form a cylinder of height 1...

    Text Solution

    |

  12. What is the total surface area of a cone which has a radius of 21 cm a...

    Text Solution

    |

  13. A rectangular paper of width 7 cm is rolled along its width and a cyli...

    Text Solution

    |

  14. The radii of two cylinders A and B are in the ratio 5:6 and the height...

    Text Solution

    |

  15. The diagonal of a square is equal to the side of an equilateral triang...

    Text Solution

    |

  16. What is the volume of the sphere whose diameter is 42 cm? उस गोले का...

    Text Solution

    |

  17. A spherical ball of diameter 35 cm rolls 20 times. How much is the dis...

    Text Solution

    |

  18. A rectangular park was redesigned and as a result of which its length ...

    Text Solution

    |

  19. The length and breadth of a cuboid are increased 10% each, whereas the...

    Text Solution

    |

  20. If the radius of a cylinder is doubled and the height is reduced by 50...

    Text Solution

    |