Home
Class 14
MATHS
The radius of a wheel is 21 cm. What is ...

The radius of a wheel is 21 cm. What is the distance (in cm) travelled by the wheel in 10 revolutions ?

A

660

B

1320

C

1980

D

2640

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    KIRAN PUBLICATION|Exercise Test Yourself|28 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE VI|47 Videos

  • LCM AND HCF

    KIRAN PUBLICATION|Exercise Test Yourself |18 Videos

  • MISCELLANEOUS

    KIRAN PUBLICATION|Exercise TYPE-VI|15 Videos

Similar Questions

Explore conceptually related problems

The radius of a wheel is 14 cm. What is the distance (in cm) travelled by the wheel in 15 revolutions ?

The radius of a wheel is 3.5 cm. What is the distance (in cm.) travelled by the wheel in 20 revolutions ?

The diameter of a toy wheel is 14 cm. What is the distance travelled by it in 15 revolutions ?

The diameter of a wheel of a car is 77cm. Find the distance covered by the wheel in 500 revolutions.

The radius of a bicycle wheel is 14 cm . The distance covered by the wheel after making 50 complete rotation is

The circumference of the front wheel of a cart is 3 m long and that of the back wheel is 4 m long. What is the distance travelled by the cart, when the front wheel makes five more revolutions than the rear wheel?

The diameter of a wheel of a car is 63 cm. Find the distance travelled by the car during the period in which the wheel makes 1000 revolutions.

The circumference of front wheel of cart is 30ft long and back wheel is 36ft long. What is the distance travelled by card when front wheel has done five more revolutions than rear wheel ?

KIRAN PUBLICATION-MENSURATION-TYPE VII
  1. Two circles with centre A and B and radius 2 units touch each other ex...

    Text Solution

    |

  2. Two cubes of sides 6 cm each are kept side by side to form a rectangul...

    Text Solution

    |

  3. The diameter of a copper sphere is 18 cm. The sphere is melted and is ...

    Text Solution

    |

  4. A river 3m deep and 40 m wide is flowing at the rate of 2 km per hour....

    Text Solution

    |

  5. Water is flowing at the rate of 3km/hr through a circular pipe of 20 c...

    Text Solution

    |

  6. The rain water from a roof 22 m xx 20 m drains into a cylindrical vess...

    Text Solution

    |

  7. 2 cm of rain has fallen on a square km of land. Assuming that 50% of t...

    Text Solution

    |

  8. A parallelopiped whose sides are in ratio 2:4:8 have the same volume a...

    Text Solution

    |

  9. If two adjacent sides of a rectangular parallelopiped are 1 cm and 2 c...

    Text Solution

    |

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

    Text Solution

    |

  11. The perimeters of a circle, a square and an equilateral triangle are s...

    Text Solution

    |

  12. The base of a right prism is a quadrilateral ABCD. Given that AB = 9 c...

    Text Solution

    |

  13. An elephant of length 4 m is at one corner of a rectangular cage of si...

    Text Solution

    |

  14. A horse takes 2(1)/(2) seconds to complete a round around a circular f...

    Text Solution

    |

  15. The diameter of the front wheel of an engine is 2x cm and what of rear...

    Text Solution

    |

  16. The radius of a wheel is 3.5 cm. What is the distance (in cm.) travell...

    Text Solution

    |

  17. The radius of a wheel is 21 cm. What is the distance (in cm) travelled...

    Text Solution

    |

  18. Radius of base of a hollow cone is 8 cm and its height is 15 cm. A sph...

    Text Solution

    |

  19. What is the length of the longest rod that can be placed in a room whi...

    Text Solution

    |

  20. A chord of length 24 cm is drawn in a circular of diameter 40 cm. Anot...

    Text Solution

    |