A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height.
2. Two faces measuring 4 cm x 1 cm are coloured in black.
3. Two faces measuring 6 cm x 1 cm are coloured in red.
4. Two faces measuring 6 cm x 4 cm are coloured in green.
5. The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal
cubes of side 1 cm(from 4 cm side).
How many cubes having red, green and black colours on at least one side of the
cube will be formed?
(a)16 (b)12 (c)10 (d)4

1 Answer

Answer :

Answer key : (d)

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