Home
Class 9
MATHS
A river 3 m deep and 40 m wide is flowin...

A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour. How much water will fall into the sea in a minute?

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    RD SHARMA ENGLISH|Exercise All Questions|3 Videos

  • SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER

    RD SHARMA ENGLISH|Exercise All Questions|133 Videos

Similar Questions

Explore conceptually related problems

Water in a canal, 30 dm wide and 12 dm deep , is flowing with a velocity of 20 km per hour. How much area will it irrigate in 30 min , if 9 c m of standing water is desired?

A train is moving with uniform speed of 120 km per hour. How far will it travel in 36 minutes ?

Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km / h . How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Rahul cycles at 12 km per hour .How much distance does he cover in 36 minutes?

Water in a canal, 2·4 m wide and 1·8 m deep, is flowing with a speed of 50 km/hour. How much area can it irrigate in 40 minutes, if 10 cm of standing water is required for irrigation ?

Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

Akhil is riding a bicycle at a speed of 12 km per hour. How much distance will Akhil cover in 3 hours and 40 minutes?

Tina runs at a rate of 8 miles per hour. At that rate, how many miles will she run in 12 minutes?

A rectangular tank is 80m long and 25m broad. Water flows into it through a pipe whose cross-section is 25 c m^2, at the rate of 16km per hour. How much the level of the water rises in the tank in 45 minutes.

A train is moving with uniform speed of 120 km per hour. In how much time will it cover 210 km ?

RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A CUBOID AND CUBE-All Questions
  1. If the areas of three adjacent faces of a cuboid are 8\ c m^2,\ 18 c...

    Text Solution

    |

  2. The breadth of a room is twice its height, one half of its length an...

    Text Solution

    |

  3. A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hou...

    Text Solution

    |

  4. Water in a canal, 30 dm wide and 12 dm deep , is flowing with a veloci...

    Text Solution

    |

  5. Three metal cubes with edges 6cm, 8cm and 10cm respectively are mel...

    Text Solution

    |

  6. Half cubic metre of gold-sheet is extended by hammering so as to cov...

    Text Solution

    |

  7. A metal cube of edge 12cm is melted and formed into three smaller c...

    Text Solution

    |

  8. The dimensions of a cinema hall are 100m, 50m and 18m. How many per...

    Text Solution

    |

  9. Given that 1 cubic cm of marble weighs 0.25 kg, the weight of marbl...

    Text Solution

    |

  10. A box with lid is made of 2cm thick wood. Its external length, brea...

    Text Solution

    |

  11. The external dimensions of a closed wooden box are 48cm, 36cm, 30cm...

    Text Solution

    |

  12. How many cubic centimetres of iron are there in an open box whose e...

    Text Solution

    |

  13. A cub of 9\ c m edge is immersed completely in a rectangular vessel...

    Text Solution

    |

  14. A rectangular container, whose base is a square of side 5cm, stands...

    Text Solution

    |

  15. A field is 200m long and 150m broad. There is a plot, 50m long and ...

    Text Solution

    |

  16. A field is in the form of a rectangle of length 18m and width 15m. ...

    Text Solution

    |

  17. A rectangular tank is 80m long and 25m broad. Water flows into it t...

    Text Solution

    |

  18. Water in a rectangular reservoir having base 80m by 60m is 6.5m dee...

    Text Solution

    |

  19. A village, having a population of 4000, requires 150 litres of water ...

    Text Solution

    |

  20. A child playing with building blocks, which are of the shape of cub...

    Text Solution

    |