Question

A solid metallic cube is melted to form five solid cubes whose volumes are in the ratio 1 : 1 : 8: 27: 27. The percentage by which the sum of the surface areas of these five cubes exceeds the surface area of the original cube is nearest to:

Answer 1

The ratio of 1:1: 27: 27

Answer 2

the sum of the surface area exeeds by 50%