Question

The cost of painting the the total outer surface of a closed cylindrical oil tan at 60 paise per sq.cm is 237.60 the height of the tank is 6 times the radius of the base of the tank . Find the height and radius of tank

Answer 1

cost of painting = 237.60
cost of painting per sqaure metre =60paise
237.60÷60
=39.6cmsquare (Surface of cylinder)
then i not understand what we have to find tell me question correctly