Subject: mathqa
Question: three cubes of iron whose edges are 6 cm , 8 cm and 10 cm respectively are melted and formed into a single cube . the edge of the new cube formed is
Option: 
A: 16 cm', 'd ) 18 cm', 'e ) none']
B: 12 cm', 'c ) 16 cm', 'd ) 18 cm', 'e ) none']
C: 18 cm', 'e ) none']
D: 10 cm', 'b ) 12 cm', 'c ) 16 cm', 'd ) 18 cm', 'e ) none']
Answer: B