Home
Class 10
MATHS
Pratik travels by boat 36 km down a rive...

Pratik travels by boat 36 km down a river and back in 8 hours. If the speed of his boat in still water is 12km/hr, find the speed of the river current.

Promotional Banner

Topper's Solved these Questions

  • Quadratic Equations

    CHETANA PUBLICATION|Exercise EXERCISE|98 Videos
  • PYTHAGORAS THEOREM

    CHETANA PUBLICATION|Exercise EXERCISE|39 Videos
  • QUADRILATERALS

    CHETANA PUBLICATION|Exercise EXAMPLE|20 Videos

Similar Questions

Explore conceptually related problems

A man travels by boat 36 km down a river and back in 8 hours. If the speed of his boat in still water is 12 km/hr, find the speed of the river current.

Pratik takes 8 hours to travel 36 km downstream and return to same spot. The speed of boat in still water is 12km/hr. Find the speed of the water current.

A man riding on a bicycle covers a distance of 60km in the direction of wind and comes back to his original position in 8 hours. If the speed of the wind is 10km/hr, find the speed of the bicycle.

A boat takes 6 hours to travel 8km up stream and 32 km down stream and it takes 7 hours to travel 20 km upstream and 16 km downstream.Find the speed of the boat in still water and the speed of the stream.

Water is flowing in a stream with velocity 5 km/hr in an easterly direction relative to the shore. Speed of a boat is relative to still water is 20 km/hr. If the boat enters the stream heading North, with what velocity will the boat actually travel?

Solve the following problems using two variables: A boat takes 6 hours to travel 36 km downstream and 24 kmupstream . It takes 9 hours to travel 48 km downstream and 40 km upstream . Find the speed of the stream and that of boat in still water.

Identify the variation and solve : It takes 5 hours to travel from one town to the other, if the speed of the bus is 48 km/h. If the speed of the bus is reduced by 8 km/h, how much time will it take for the same travel ?

The speed of a car is 60 (km)/(hour) . Find the distance covered by the car in 10 minutes,

Solve the following problems: A passenger train takes 2 hours more than an express train to travel a distance of 240 km . The speed of the express train is more than that of passenger train by 20 km/h. Find the speed of both the trains.

Solve the following problems : The distance between Akola and Bhusaval is 168 km. An express train takes 1 hour less than passenger train to cover that distance . Find the average speed of each train, if the average speed of the express train is more by 14 km/h than the speed of the passenger train.

CHETANA PUBLICATION-Quadratic Equations-EXERCISE
  1. If sum of the roots of quadratic equation is 10 and the product is 9, ...

    Text Solution

    |

  2. Find the values of a,b,c for the following quadratic equation by compa...

    Text Solution

    |

  3. Solve by factorization method: m^2-25=0

    Text Solution

    |

  4. If alpha and beta are roots of quadratic equation, and alpha=-5 and b...

    Text Solution

    |

  5. Vivek is 5 years elder to Kishor. The sum of the reciprocal of their a...

    Text Solution

    |

  6. Solve the following quadratic equation by formula method: x^2+6x+5=0

    Text Solution

    |

  7. If alpha and beta are the roots of quadratic equation x^2+5x-1=0 then,...

    Text Solution

    |

  8. If alpha and beta are the roots of quadratic equation x^2+5x-1=0 then,...

    Text Solution

    |

  9. For doing some work, Pintu takes 6 days more than Nishu. If both work ...

    Text Solution

    |

  10. Find m, if the roots of the quadratic equation (m-12)x^2+2(m-12)x+2=0 ...

    Text Solution

    |

  11. Pratik travels by boat 36 km down a river and back in 8 hours. If the ...

    Text Solution

    |

  12. Two trains leave a railway station at the same time.The first train tr...

    Text Solution

    |

  13. If the sum of the roots of the quadratic equation ax^2+bx+c=0 is equal...

    Text Solution

    |

  14. If the roots of the quadratic equation ax^2+cx+c=0 are in the ratio p:...

    Text Solution

    |

  15. A business man bought some items for ₹600. Keeping 10 items for himsel...

    Text Solution

    |

  16. A man travels by boat 36 km down a river and back in 8 hours. If the s...

    Text Solution

    |

  17. A number consists of two digits whose product is 56.When 9 is subtract...

    Text Solution

    |

  18. Two pipes running together can fill a cinstern in 3 1/13 minutes.If on...

    Text Solution

    |

  19. If the sum of the roots of the quadratic equation is 1/(x+p)+1/(x+q)=1...

    Text Solution

    |

  20. Solve: sqrt(x^2-16)-sqrt(x^2-8x+16)=sqrt(x^2-5x+4).

    Text Solution

    |