Read the following information and answer the questions based on it.
I. The length, breadth and height of a rectangular piece of wood are 4 cm, 3 cm, and 5 cm respectively.
II. Opposite sides of 5 cm. x 4 cm. piece are coloured in red colour.
III. Opposite sides of 4 cm. x 3 cm. are coloured in blue
IV. Rest 5 cm. x 3 cm. are coloured in green in both sides
V. Now the piece is cut in such way that a cubes of 1 cm x 1 cm x 1 cm are made.
How many cubes do not have any colour?
The cubes that do not have any colour are the ones that are completely inside the big cuboid.
The number of such cubes is (4-2) * (3-2) * (5-2) = 2 * 1 * 3 = 6
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