10. Five marks exercise problems IV

1. If the total surface area of a cube is \(2400 \ cm^2\) then, find its lateral surface area.

 

Lateral surface area \(=\)  \(cm^2\)

 

 

2. A cubical container of side \(6.5 \ m\) is to be painted on the entire outer surface. Find the area to be painted and the total cost of painting it at the rate of \(₹24\) per \(m^2\).

 

Area to be painted \(=\)  \(m^2\)

 

Total cost of painting \(=\) \(₹\)