Posted by nabeel on .
A river 3 m deep and 40m wide is flown at the speed 2km/hour how much water will flow in sea in 1 minute

math 
Reiny,
2 km/h
= 2000 m/60 minutes
= 100/3 m/min
volume in that time = 40x3x100/3 = 4000 m^3/min