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A river 3 metre Deep and …

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A river 3 metre Deep and 40m wide is falling at this rate of 2 kilometre per hour how much water will fall in sea in minute

    • Posted by Manoj Kumar 4 years, 7 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Yogita Ingle 4 years, 7 months ago

    Given, a river 3m deep and 40m wide is flowing at the rate of 2km per hour.

    Area of cross section of the river = 3 * 40 = 120 m2

    Now, volume of water flowing through this cross section in every minute = Area * rate

      = 120 * 2 km/hr

     = 120 * (2000/60) m/min

     = 2 * 2000

      = 4000 m3

    Since 1 m3 = 1000 litres

    So, 4000 m3 = 4000 * 1000 litres = 4000000 litres

    So, in 1 minute, water will fall into the sea is 4000000 litres.

    1Thank You

    ANSWER
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