Home
Class 7
MATHS
The ratio of the radii of two circles is...

The ratio of the radii of two circles is `3: 2.` What is the ratio of their circumferences?

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MENSURATION-1

    RD SHARMA ENGLISH|Exercise All Questions|162 Videos

  • OPERATIONS ON RATIONAL NUMBERS

    RD SHARMA ENGLISH|Exercise All Questions|101 Videos

Similar Questions

Explore conceptually related problems

The ratio of the radii of two circles is 2: 5. What is the ratio of their circumference?

The ratio of the radii of two circles is 2:3. Find the ratio of their circumference.

If the ratio of the radii of two circles is 2:3, find the ratio of their areas.

The ratio of the radii of two spheres is 1 : 3. Find the ratio of their volume.

If the ratio of the areas of two circles is 9:16, find the ratio of their radii.

The areas of two circles are in the ratio 16 : 25. Find the ratio of their circumferences.

The sum of the radii of two circles is 140 cm and the difference of their circumferences is 88 cm. Find the diameters of the circles.

The ratio of the circumference of two circles is 4:5. Find the ratio of their radii.

The radii of two circles are in the ratio 2:5. What is the ratio of their areas ?

The area of circle is 100 times the area of another circle. What is the ratio of their circumferences?

RD SHARMA ENGLISH-MENSURATION-2-All Questions
  1. Find the radius of a circle whose circumference is (a)52.8 cm   (b) ...

    Text Solution

    |

  2. Find the diameter of a circle whose circumference is (a)12.56 cm    ...

    Text Solution

    |

  3. The ratio of the radii of two circles is 3: 2. What is the ratio of th...

    Text Solution

    |

  4. A wire in the form of a rectangle 18.7 cm long and 14.3 cm wide is ...

    Text Solution

    |

  5. A piece of wire is bent in the shape of an equilateral triangle of ...

    Text Solution

    |

  6. The diameter of a wheel of a car is 63 cm. Find the distance travel...

    Text Solution

    |

  7. The diameter of a wheel of a car is 98 cm. How many revolutions wil...

    Text Solution

    |

  8. The moon is about 384400 km from the earth and its path around the ...

    Text Solution

    |

  9. How long will John take to make a round of a circular field of radi...

    Text Solution

    |

  10. The hour and minute hands of a clock are 4 cm and 6 cm long respect...

    Text Solution

    |

  11. A rhombus has the same perimeter as the circumference of a circle. ...

    Text Solution

    |

  12. A wire is looped in the form of a circle of radius 28 cm. It is re-...

    Text Solution

    |

  13. A bicycle wheel makes 5000 revolutions in moving 11 km. Find the di...

    Text Solution

    |

  14. A boy is cycling such that the wheels of the cycle are making 140 r...

    Text Solution

    |

  15. The diameter of the driving wheel of a bus is 140 cm. How many revo...

    Text Solution

    |

  16. A water sprinkler in a lawn sprays water as far as 7 m in all direc...

    Text Solution

    |

  17. A well of diameter 150 cm has a stone parapet around it. If the len...

    Text Solution

    |

  18. An ox in a kolhu (an oil processing apparatus) is tethered to a rop...

    Text Solution

    |

  19. Find the area of a circle of radius 4.2 cm

    Text Solution

    |

  20. Find the area of a circle of diameter 7 cm.

    Text Solution

    |