Home
Class 14
MATHS
A man can row 3/4 of a km against the st...

A man can row `3/4` of a km against the stream in `11 1/4` minutes and returns in `7 1/2` minutes. Find the speed of the man in still water. a. `3\ k m//h r` b. `4\ k m//h r` c. `5\ k m//h r` d. `6\ k m//h r`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • BAR GRAPH

    RS AGGARWAL|Exercise All Questions|31 Videos

  • CALENDAR

    RS AGGARWAL|Exercise All Questions|23 Videos

Similar Questions

Explore conceptually related problems

A man can row three-quarters of a kilometre against the stream in 11(1)/(4) minutes and return in 07(1)/(2) minutes. The speed (in km/hr) of the man in still water is:

A man rows 750 m in 775 seconds against the stream and return in 7(1)/(2) minutes . What is rowing speed in still water ?

A car covers the first 39 kms of its journey I 45 minutes and covers the remaining 25 km in 3 minutes. What is the average speed of the car? 40 k m//h r b. 48 k m//h r c. 49 k m//h r d. 64 k m//h r e. none of these

RS AGGARWAL-BOATS AND STREAMS-All Questions
  1. If a man goes 18 km downstream in 4 hours and returns against the stre...

    Text Solution

    |

  2. A boat man goes 2 km against the current of the stream in 1 hour and g...

    Text Solution

    |

  3. A man can row 3/4 of a km against the stream in 11 1/4 minutes and ret...

    Text Solution

    |

  4. A boat, while going downstream in a river covered a distance of 50 ...

    Text Solution

    |

  5. A man swimming in a stream which flows 1 1/2\ km//hr finds that in a g...

    Text Solution

    |

  6. A boat running upstream takes 8 hours 48 minutes to cover a certain...

    Text Solution

    |

  7. If a boat goes 7 km upstream in 42 minutes and the speed of the stream...

    Text Solution

    |

  8. A man's speed with the current is 15 km / hr and the speed of the c...

    Text Solution

    |

  9. If a man rows at the rate of 5 kmph in still water and his rate aga...

    Text Solution

    |

  10. A motorboat in still water travels at a speed of 36 km/hr. It goes 56 ...

    Text Solution

    |

  11. Speed of a boat in standing water is 9 kmph and the speed of the st...

    Text Solution

    |

  12. The speed of a boat in still water is 15 km / hr and the rate of cu...

    Text Solution

    |

  13. A man can row at 5 kmph in still water. If the velocity of current ...

    Text Solution

    |

  14. A boat takes 19 hours for travelling downstream from point A to poi...

    Text Solution

    |

  15. P, Q and R are three towns on a river which flows uniformly. Q is equi...

    Text Solution

    |

  16. A man can row 9 1/3\ kmph in still water and finds that it takes him t...

    Text Solution

    |

  17. A boat takes 8 hours to cover a distance while travelling upstream,...

    Text Solution

    |

  18. A motor boat can travel at 10 km/hr in still water. It travelled 91...

    Text Solution

    |

  19. The speed of a boat in still water is 10 km /hr. If it can travel 2...

    Text Solution

    |

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

    Text Solution

    |