Home
Class 14
MATHS
A covers 1/3 rd of his journey at the sp...

A covers `1/3` rd of his journey at the speed of 10 km/h and half of the rest at the speed of 20 km/h and rest at the speed of 30 km/h. What is the average speed of A?

A

`6(2)/11km//h`

B

`16(4)/11km//h`

C

`16(4)/11m//s`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME, SPEED AND DISTANCE

    ARIHANT SSC|Exercise EXERCISE LEVEL 2|75 Videos

  • TIME, SPEED AND DISTANCE

    ARIHANT SSC|Exercise SPEED TEST (TSD)|10 Videos

  • TIME, SPEED AND DISTANCE

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE(9.1 )|3 Videos

  • TIME AND WORK

    ARIHANT SSC|Exercise Final Round|15 Videos

  • TRIGONOMETRY

    ARIHANT SSC|Exercise EXERCISE(LEVEL - 1)|35 Videos

Similar Questions

Explore conceptually related problems

A covers 1/3rd of his journey at the speed of 10 km/h and half of the rest at the speed of 20 km/h and rest at the speed of 30 km/h.What is the average speed of A?

A covers 1/4 th of his journey at 20 km/h and 1/3 rd of the rest at 25 km/h and half of the rest at 30 km/h and rest at the speed of 40 km/h. What is the average speed of A?

A covers 1/4th of his journey at 20 km/h and 1/3rd of the rest at 25 km/h and half of the rest at 30 km/h and rest at the speed of 40 km/h.What is the average speed of A?

A boat travels upstream at the speed of 20 km/h and downstream at the speed of 30 km/h. What is the speed of the boat.

Udai travels half of his journey by train at the speed of 120 km/h and rest half by car at 80 km/h. What is the average speed ?

A man covered half of the distance at 3x km/h and rest at the 5x km/h.What is the average speed of man?

A covered half of his journey at 20 km/h and rest at 60 km/h. What is the average speed of the man?

ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 1
  1. A' goes 10 km distance with average speed of 6 km/h while rest 20 km h...

    Text Solution

    |

  2. A covers half of his distance with 20 km/h and rest with 30 km/h. What...

    Text Solution

    |

  3. A covers 1/3 rd of his journey at the speed of 10 km/h and half of the...

    Text Solution

    |

  4. A covers 1/4 th of his journey at 20 km/h and 1/3 rd of the rest at 25...

    Text Solution

    |

  5. A covered half of his journey at 20 km/h and rest at 60 km/h. What is ...

    Text Solution

    |

  6. A man covered half of the distance at 3x km/h and rest at 5x km/h. Wha...

    Text Solution

    |

  7. A person goes to his office at 1/3rd of the speed at which he returns ...

    Text Solution

    |

  8. A person X starts from Lucknow and another persons Y starts from Kanpu...

    Text Solution

    |

  9. In a circular race of 1200m, A and B start from the same point and at ...

    Text Solution

    |

  10. Two persons A and B started from two different places towards each oth...

    Text Solution

    |

  11. A person P is at X and another person Q is atY. The distance between X...

    Text Solution

    |

  12. A person P is at X and another person Q is atY. The distance between X...

    Text Solution

    |

  13. A person P is at X and another person Q is at Y.The distance between X...

    Text Solution

    |

  14. A person P is at X and another person Q is at Y.The distance between X...

    Text Solution

    |

  15. A person P is at X and another person Q is atY. The distance between X...

    Text Solution

    |

  16. A person P is at X and another person Q is at Y.The distance between X...

    Text Solution

    |

  17. A persons P starts his journey from A and another person Q starts his ...

    Text Solution

    |

  18. A persons P starts his journey from A and another person Q starts his ...

    Text Solution

    |

  19. A persons P starts his journey from A and another person Q starts his ...

    Text Solution

    |

  20. The speeds of Vimal and Kamal are 30 km/h and 40 km/h. Initially Kamal...

    Text Solution

    |