Home
Class 14
MATHS
The current of a stream runs at the r...

The current of a stream runs at the rate of 4km an hour . A boat goes 6 km and comes back to the starting point in 2 hours .The speed of the boat in still water is

A

6 km/hr

B

7.5 km/hr

C

8 km/hr

D

6.8 km/hr

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • BANKER'S DISCOUNT

    UPKAR PUBLICATION |Exercise QUESTION BANK |50 Videos

  • CALENDAR

    UPKAR PUBLICATION |Exercise QUESTION BANK|17 Videos

Similar Questions

Explore conceptually related problems

The speed of a stream is 9 km/hr. A boat goes 21 km and comes back to the starting point in 8 hours. What is the speed (in km/hr) of the boat in still water?

The speed of a stream is 1 km/hr. A boat goes 36 km and comes back to the starting point in 15 hours. What is the speed (in km/hr) of the boat in still water?

A boat goes 40 km upstream in 8 hours and 36 km downstream in 6 hours. The speed of the boat in still water is

The speed of boat in still water is 8 km/h. The boat goes 6km & back to the starting point in 2 hours. Find the speed of the stream.

A motorboat takes 6 hours to cover 100km downstream and 30km upstream.If the boat goes 75km downstream and returns back to the starting point in 8 hours,find the speed of the boat in still water and the speed of the stream.

UPKAR PUBLICATION -BOATS AND STREAMS-QUESTION BANK
  1. The current of a stream runs at 1 km/hr. A motorboat goes 35 km upstre...

    Text Solution

    |

  2. A boat covers 24 km upstream and 36 km downstream in 6 hours wh...

    Text Solution

    |

  3. The current of a stream runs at the rate of 4km an hour . A boat ...

    Text Solution

    |

  4. A man rows to a place 48 km distant and come back in 14 hours. He find...

    Text Solution

    |

  5. A boat moves upstream at the rate of 1 km in 10 minutes and downstream...

    Text Solution

    |

  6. A man rows upstream 16 km and downstream 28 km taking 5 hours each tim...

    Text Solution

    |

  7. The speed of a boat in still water is 6 kmph and the speed of ...

    Text Solution

    |

  8. A man can row at 5 kmph . In still water . If the velocity of...

    Text Solution

    |

  9. The speed of a boat in still water is 2 km/hr. If its speed upstream b...

    Text Solution

    |

  10. A boat goes 14 km upstream in 56 minutes. The speed of stream is 2 km/...

    Text Solution

    |

  11. The speed of a boat in still water is 10 km/hr. If its speed downstrea...

    Text Solution

    |

  12. A boat goes 12 km upstream in 48 minutes. The speed of stream is 2 km/...

    Text Solution

    |

  13. The speed of a boat in still water is 12 km per hour. Going downstream...

    Text Solution

    |

  14. A man rows at the rate of 5 kmph in still water and his rate against t...

    Text Solution

    |

  15. A man can row 44 km downstream in 4 hours. If the man's rowing rate in...

    Text Solution

    |

  16. A man rows upstream 16 km and downstream 27 km taking 5 hours each tim...

    Text Solution

    |

  17. A boat moves downstream at the rate of one km in 7 1/2 minutes and ups...

    Text Solution

    |

  18. A person rows a kilometre down the stream in 10 minutes and upstream i...

    Text Solution

    |

  19. A man can row three quarters of a km against the stream in 11 minutes ...

    Text Solution

    |

  20. A boat's man goes 48 km downstream in 8 hours and returns back in 12 h...

    Text Solution

    |