Question

A solid cube of side 8 cm has a black border of uniform width 1 cm painted on each of its faces.
What part of the cube's surface is painted black and why?
(with explanation)
A. 7⁄8
B. 7⁄16
C. 9⁄16
D. 15⁄64

Answer 1

Answer:

A solid cube of each side 8 cm has been painted red blue and black on pairs of opposite faces

A cube can have only 8 cut-corner cubes with colours on three sides. Hence answer will be always the same = 8. A solid cube of each side 8 cm, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cm.

Answer 2

Answer:

A solid cube of each side 8 cm has been painted red blue and black on pairs of opposite faces.

A cube can have only 8 cut-corner cubes with colours on three sides. Hence answer will be always the same = 8. A solid cube of each side 8 cm, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cm.

(Your questioning form is really nice keep it up dea)

꧁ Shravu♛