

Given, three solid metal cubes with edges 6 cm, 8 cm and 10 cm respectively are melted together and formwed into a single cube.
Now, the volume of new cube = volume of 1st cube + volume of 2nd cube + volume of 3rd cube
= 63 + 83 + (10)3
= 216 + 512 + 1000
= 1728 cm3
