Home
Class 14
MATHS
Speed of boat in still water is 37.5% le...

Speed of boat in still water is 37.5% less than the speed of the boat in downstream and boat covers 30 km in upstream in 5 hours, then find time taken by boat to cover 84 km in downstream?

A

3.5 hr

B

3 hr

C

4.5 hr

D

4 hr

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BOAT AND STREAM

    ADDA247|Exercise Prelims Questions (Level-2)|31 Videos

  • BOAT AND STREAM

    ADDA247|Exercise Mains Questions|15 Videos

  • BOAT AND STREAM

    ADDA247|Exercise Basic Questions|10 Videos

  • AVERAGE AND AGES

    ADDA247|Exercise Previous Year Question|30 Videos

  • DATA INTERPRETATION

    ADDA247|Exercise Previous Year Questions|56 Videos
ADDA247-BOAT AND STREAM -Prelims Questions (Level-1)
  1. Sanjay can cover a distance of 30 km in upstream and 45 km in downstre...

    Text Solution

    |

  2. A boat takes 90 minutes less to travel 36 miles downstream than to tra...

    Text Solution

    |

  3. A boat covers a distance of 10.8 km upstream in 36 minutes and the spe...

    Text Solution

    |

  4. The total time taken by a boat to cover 48 km downstream and 36 km ups...

    Text Solution

    |

  5. A boat can cover 36 km upstream and 55 km downstream in 11 hrs and 48 ...

    Text Solution

    |

  6. A boat which has a speed of 6 km/hr in still water cover 2 km in upstr...

    Text Solution

    |

  7. Speed of boat in still water is 12 meter/sec and speed of current is 1...

    Text Solution

    |

  8. Manoj starts swimming in upstream from point P after 12 sec he swims b...

    Text Solution

    |

  9. A man can row 60 km in downstream and 35 km in upstream in 9 hours. Al...

    Text Solution

    |

  10. Ratio between speed of boat in still water to speed of stream is 5: 1....

    Text Solution

    |

  11. A boat can cover certain distance in upstream in 16 minutes and the sa...

    Text Solution

    |

  12. A boat can cover 160 km downstream in half of the time in which it can...

    Text Solution

    |

  13. Speed of boat in still water is 37.5% less than the speed of the boat ...

    Text Solution

    |

  14. Difference between downstream and upstream speed of a boat is 6 km/h. ...

    Text Solution

    |

  15. To cover a certain distance D in downstream, slower boat took 50% more...

    Text Solution

    |

  16. Ratio of upstream speed to that of downstream speed is 3:5. If speed o...

    Text Solution

    |

  17. Ratio of speed of a boat in upstream to in downstream is 11:14. If boa...

    Text Solution

    |

  18. The time take by a boat in upstream is double than the time taken by i...

    Text Solution

    |

  19. If ratio between speed of boat in still water and speed of stream is 2...

    Text Solution

    |

  20. A boat takes a total of 10 hours to cover 84 km in upstream & 84 km in...

    Text Solution

    |