Question

The edges of three cubes are 6cm,8cm and 10cm . These cubes are melted and recasted into a single cube . Find the edge of the resulting cube

Answer 1

Volume of the three cubes=6^3+8^3+10^3=216+512+1000=1728cmcube. Side of big cube is cube root of 1728=12. Hence side of big cube is 12cm