Home
Class 10
MATHS
Ratio of volumes of two spheres is 8:27 ...

Ratio of volumes of two spheres is 8:27 then ratio of their curved surface areas is ……

A

`2 : 3`

B

`4 : 3`

C

`2 : 9`

D

`4 : 9`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    BEYOND PUBLICATION|Exercise EXAMPLE|135 Videos

  • REAL NUMBERS

    BEYOND PUBLICATION|Exercise |1 Videos

Similar Questions

Explore conceptually related problems

The ratio of two spheres is 1:2, then the ratio of their surface areas is

If the ratio of radii of two spheres is 2:3 then the ratio of their surface areas is

If the ratio of radii of two spheres is 3:4 then the ratio of their surface areas is

Volumes of two spheres are in the ratio of 27:64, the ratio of their curved surface areas is ….

The ratio of radii of two spheres is 2: 3. Find the ratio of their surface areas and volumes.

A sphere, a cylinder and a cone have the same radius and same height then the ratio of their curved surface areas is ……….

The ratio of volume of two cones is 4:5 and the ratio of the radii of their base is 2:3 then ratio of their vertical heights is

Ratio of areas of two similar triangles is 144 : 441, then ratio of their perimeters is

A sphere , a cylinder and a cone are of the same radius and same height . Find the ratio of their curved surface areas .

The ratio of the areas of two similar triangles is 1:4 then the ratio of their corresponding sides………….

BEYOND PUBLICATION-QUESTION PAPER-EXERCISE
  1. A toy is in the form of a cone mounted on a hemisphere. The radius of ...

    Text Solution

    |

  2. AB is a chord of the circle and AOC is its diameter , such that angle...

    Text Solution

    |

  3. Draw a circle with 5 cm radius and construst a pair of tangents to the...

    Text Solution

    |

  4. Two dice are rolled at same time and the sum of the numbers appearing ...

    Text Solution

    |

  5. If (sin theta)/(1 - cos theta) + (sin theta)/(1 + cos theta)= 4(0^@ < ...

    Text Solution

    |

  6. The scores of 20 students in a test is tabulated as follows: Find the...

    Text Solution

    |

  7. Two concentric circles of radii 10 cm and 6 cm are drawn . Find the le...

    Text Solution

    |

  8. A tree is breaken without separating from the stem by the wind. The to...

    Text Solution

    |

  9. How many spherical balls each 7 cm in diameter can be made out of a so...

    Text Solution

    |

  10. Construct a trianlge of sides 5cm, 6 cm and 7 cm . Then construct a tr...

    Text Solution

    |

  11. The value of Tan theta in terms of cosec theta is…………

    Text Solution

    |

  12. Observe the following: (I) sin^2 20^@+sin^2 70^@=1 (II) log2(sin90^@)=...

    Text Solution

    |

  13. In DeltaABC AC=12 cm , AB=5 cm and angleBAC=30^@, then area of the Del...

    Text Solution

    |

  14. Which one of the following can not be the probability of an event?

    Text Solution

    |

  15. Which measure of central tendency is given by the x coordinate of the ...

    Text Solution

    |

  16. Ratio of volumes of two spheres is 8:27 then ratio of their curved sur...

    Text Solution

    |

  17. A solid ball is exactly fitted inside the cubical box of side 'a'. The...

    Text Solution

    |

  18. Express 'x' in terms of a, b and c in the following figure.

    Text Solution

    |

  19. If the angle of elevation of sun increases from 0^(@)" to "90^(@), the...

    Text Solution

    |

  20. In a right angled triangle with integral sides at least one of its mea...

    Text Solution

    |