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
No explanation is available for this question!