Question

4. Small cubes of side I em are stuck together to form a large cube
of side 4 cm. Opposite faces of the large cube are painted the
same colour, but adjacent faces are different colours. The three
colours used are red, black and green,
(a) How many small-cubes have just one red and one green
face?
(b) How many small cubes are painted on one lace only!
(C) How many small cubes have one red, one green and one
black face?
(d) How many small cubes have no faces painted?
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Answer 1

Answer:

Small cubes of side I em are stuck together to form a large cube

of side 4 cm. Opposite faces of the large cube are painted the

same colour, but adjacent faces are different colours. The three

colours used are red, black and green,

(a) How many small-cubes have just one red and one green

face?

(b) How many small cubes are painted on one lace only!

(C) How many small cubes have one red, one green and one

black face?

(d) How many small cubes have no faces painted?

bo