Areas Mcqs


Q.  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



 
 

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