Five equal cubes, each of side 5 cm, are placed adjacent to each other. The volume of the new solid formed will be  Choices.
A) 125 cm 3  B) 625 cm 3  C) 15525 cm 3  D) 1225 cm 3  E) none

Rationale: solution the new solid formed is a cuboid of length 25 cm , breadth 5 cm and height 5 cm ∴ volume = ( 25 x 5 x 5 ) cm 3 ‹ = › 625 cm 3 answer b
Answer: B