A tank is 7m long and 4m wide at what speed should water run through – McqOptions

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1.	A tank is 7m long and 4m wide at what speed should water run through pipes 5cm broad and 4cm deep so that in 6 hours and 18 minutes, the water level in the tank rises by 4.5cm?
A.	12km/hr
B.	10km/hr
C.	14km/hr
D.	None of these
Answer» C. 14km/hr

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