Home
Class 12
MATHS
The diameter of the driving wheel of a b...

The diameter of the driving wheel of a bus is 140cm. How many revolutions per minute must the wheel make in order to keep a speed of 66km per hour?

A

200

B

250

C

300

D

350

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • AREA

    ARIHANT PUBLICATION JHARKHAND|Exercise Exam Booster for Cracking Exam |30 Videos

  • BANKING

    ARIHANT PUBLICATION JHARKHAND|Exercise Exam Booster for Cracking Exam|15 Videos

Similar Questions

Explore conceptually related problems

The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?

The diameter of the driving wheel of a cart is 154 cm. Calculate the revolutions per minute [RPM] of the wheel in order to keep a speed of 33 kilo metre per hour.

The wheel of a motor cycle is of radius 35 cm. How many revolutions per minute must the wheet make, so as to keep a speed of 66 km/h ?

The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel 99 km?

The diameter of the wheel of a car is 77cm. How many revolutions will it make to travel 121km?

The diameter of the wheel of a car is 77 cm. How many revolutions will it make to travel121 km?

A wheel of a motor bike has radius 35 cm . How many revolutions per minute must the wheel make so that the speed of the bike is 33 km/hr ?

ARIHANT PUBLICATION JHARKHAND-AREA -Exam Booster for Cracking Exam
  1. The area of the circle whose circumference is equal to the perimeter o...

    Text Solution

    |

  2. A horse is tied to a pole with 28 m long string. Find the area wher...

    Text Solution

    |

  3. A field is in the form of a circle . The cost of plough the field at r...

    Text Solution

    |

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

    Text Solution

    |

  5. The diameter of the driving wheel of a bus is 140cm. How many revol...

    Text Solution

    |

  6. The base of an isosceles triangle measures 24 cm and its area is ...

    Text Solution

    |

  7. If the length and breadth of a rectangular plot are increassed by 50 %...

    Text Solution

    |

  8. The length of a rectangle is increased by 60%. By what percent would t...

    Text Solution

    |

  9. The perimeter of a rectangular field is 240 m and the ratio between th...

    Text Solution

    |

  10. In a four sider- field , the length of the longer diagonal is 128 ...

    Text Solution

    |

  11. In the adjoining figure, AD = 2AB = a. If P is the mid-point of AD, th...

    Text Solution

    |

  12. A paper is in the form of a rectangle ABCD and AB = 18 cm, BC = 14 cm....

    Text Solution

    |

  13. A paper is in the form of a square of side 20 m. Semi-circles are draw...

    Text Solution

    |

  14. In a circle of radius 42 cm, an arc subtends an angel of 72° at the ce...

    Text Solution

    |

  15. Two circles touch externally. The sum of their areas is 130 pis qdotc ...

    Text Solution

    |

  16. The ratio of the areas of the incircle and circumcircle of a square is

    Text Solution

    |

  17. The area of circle inscribed in an equilateral triangle of side 12 cm ...

    Text Solution

    |

  18. The cross-section of a railway tunnel is a rectangle 6 m broad and 8 m...

    Text Solution

    |

  19. A garden is in the form of a rectangle with semi-circular ends on the ...

    Text Solution

    |

  20. The four corners are circle quadrants and at the centre there is a cir...

    Text Solution

    |