Three solid cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube. Find the surface area of the cube so formed Options:
A) 486
B) 366
C) 299
D) 278
E) 1888
Explanation:   Volume of new cube = =   Edge of new cube = = 9cm   Surface area of the new cube = ( 6 x 9 x 9) = 486   486nswer: 486) 486
<result>A</result>
Three solid cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube. Find the surface area of the cube so formed