engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Quantitative Aptitude Mensuration Solid Figures
Three cubes of iron, whose edges are 3 cm, 4 cm, 5 cm respectively, are melted to be formed into a single cube. The edge of the new cube formed is:
1
6 cm
2
7 cm
3
8 cm
4
9 cm