Home
Class 12
MATHS
Three equal cubes are placed adjacent...

Three equal cubes are placed adjacently in a row. Find the ratio of total surface area of the new cuboid to that of the sum of the surface areas of the three cubes.

A

`3:1`

B

`6:5`

C

`7:9`

D

`6:7`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • VOLUME AND SURFACE AREA

    ARIHANT PUBLICATION BIHAR|Exercise Exam Booster For Cracking Exam|42 Videos

  • TRIGONOMETRIC RATIOS

    ARIHANT PUBLICATION BIHAR|Exercise EXAM BOOSTER (FOR CRACKING EXAM)|25 Videos

Similar Questions

Explore conceptually related problems

Three equal cubes are placed adjacently in a row.Find the ratio of total surface area ofthe new cuboid to that of the sum of the surface areas of the three cubes.

Three equal cubes are placed adjacently in a row. Find the ratio of the total surface area of the resulting cuboid to that of the sum of the total surface areas of the three cubes.

Three equal cubes are placed adjacently in a row. The ratio of the total surface area of the resulting cuboid to that of the sum of the surface areas of three cubes, is (a) 7:9 (b) 49:81 (c) 9:7 (d) 27:23

A cube of side 5 cm is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the original cube to that of the sum of the surface areas of the smaller cubes?

A solid metallic cuboid of dimensions 18cmxx36cmxx72cm is melted and recast into 8 cubes of the same volume. What is the ratio of the total surface area of the cuboid to the sum of the lateral surface areas of all 8 cubes?

If the lateral surface area of a cube is 72 sq. cm , then find the total surface area of the cube.

The volumes of two cubes are in the ratio 8 : 27. Find the ratio of their surface areas.

ARIHANT PUBLICATION BIHAR-VOLUME AND SURFACE AREA -Exam Booster For Cracking Exam
  1. A solid cube of side 12 cm is cut into eight cubes of equal volume. Wh...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. The total surface area of a right circular cylinder whose height is 15...

    Text Solution

    |

  5. The pillars of a temple are cylindrically shaped. If each pillar ha...

    Text Solution

    |

  6. A metal pipe in 77 cm long. If the inner diameter ofa cross section is...

    Text Solution

    |

  7. If the curved surface area of a cylinder is 1320 cm^2 and its base has...

    Text Solution

    |

  8. If a right circular cylinder tunnel of diameter 2 m and length 40 m is...

    Text Solution

    |

  9. A conical tent of a diameter 24 m at the base and its height 16 m. The...

    Text Solution

    |

  10. A right angled triangle ABC with sides 5 cm, 12 cm and 13 cm is revolv...

    Text Solution

    |

  11. The radius and height of a right circular cone are in the ratio of 5 :...

    Text Solution

    |

  12. If the height of a cone is doubled then its volume is increased by

    Text Solution

    |

  13. If the height and the radius of a cone are doubled, the volume of the ...

    Text Solution

    |

  14. If the ratio of volumes of two spheres is 1 : 8, then the ratio of the...

    Text Solution

    |

  15. A spherical ball of lead 3cm in diameter is melted and recast into ...

    Text Solution

    |

  16. A copper sphere of radius 3 cm is beaten and drawn into a wire of diam...

    Text Solution

    |

  17. The dimensions of a cinema hall are 100m, 50m and 18m. How many per...

    Text Solution

    |

  18. A class room is 7\ m\ long,\ 6. 5\ m\ w i d e\ a n d\ 4\ m\ h igh ....

    Text Solution

    |

  19. How many bricks each measuring 25 cm xx 15 cm xx 8 cm will be required...

    Text Solution

    |

  20. One cubic metre piece of copper is melted and recast into a square cro...

    Text Solution

    |