railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Mensuration Solid Figures
Three cubes of metal whose edges are in the ratio 3 : 4 : 5, are melted and one cube is formed. If the diagonal of the cube is 12√3 cm, then find the edge of the largest among the three cubes.
1
10 cm
2
5 cm
3
12 cm
4
None