Answer :

Rate of water flow = 2 km per hour

= () m/ min


= () m/ min


Depth (h) of river = 3 m


Width (b) of river = 40 m


The volume of water flowed in 1 min = ( × 40 × 3)


= 4000 m3


Therefore, in 1 minute, 4000 m3 water will fall in the sea.

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