Question

Three cubes whose edges are x cm, 8 cm and 10 cm respectively are melted and recast into a single cube of edge 12 cm. Find x.​

Answer 1

6cm

Step-by-step explanation:

volume of cube = side cube

8cube =512

10cube= 1000

12 cube =1728

512+1000+x=1728

1512+x=1728

x=216

i.e =6cm