Question

A solid cube of side 8 cm has been
painted red, blue and black on pairs
of opposite faces. It is then cut into
cubical blocks of side 2 cm each.
9. How many cubes have no face
painted?
a. 1
b.4 c. 8
d. 27
10. How many cubes haveonlyone face
painted?
a. 8 b. 16 c. 24 d. 28
11. How many cubes have only two faces painted?
a.8 b.16 c.20 d.24
12.How many cubes have three faces painted?
a.0 b.4 c.6 d.8
13.How many cubes have three faces painted with three different colours?
a.0 b.4 c.8 d.12
14.How many cubes have two faces painted red and black and all the other faces unpainted?
a.4 b.8 c.16 d.32
15. How many cubes have one face painted red and all the other faces unpainted?
a.4 b.8 c.12 d.16
16.How many cubes have two of their faces painted black?
a.2 b.4 c.8 d.None​

Answer 1

Answer:

Q.9 - c

Q10- c

Q11- d

Q12- d

Q13- c

Q14- b

Q15- b

Q16- d