I don’t know the formula of the diagonal of a cube, also i am a little bit confused about how to actually solve this question hoe to apply the first condition. Please Deepak sir help me to solve this question. please make a video solution as you do for all the questions. Here in this question three cubes of metal with edges in the ratio 3:4:5 are melted and formed into a single cube where the diagonal is 12√3 cm. We have to find the edges of the three cubes.