question_answer

The internal dimensions of a tank are 12 dm, 8 dm and 5 dm. How many cubes each of edge 7 cm can be placed in the tank with faces parallel to the sides of the tank. Find also, how much space is left unoccupied?

A)  1135 cubes, \[113\,\,d{{m}^{3}}\]

B)  1235 cubes, \[31.13\,\,d{{m}^{3}}\]

C)  1335 cubes, \[31.013\,\,d{{m}^{3}}\]

D)  1435 cubes, \[41.013\,\,d{{m}^{3}}\]

E)  None of these