Question

One hundred and twenty-five cubes of the same size are arranged in the form of a cube on a table. Then a column of five cubes is removed from each of the four corners. All the exposed faces of the rest of the solid (except the face touching the table) ae coloured red. Then how many cubes have only one red face each ?

Answer 1

Thank you for asking this question. Here is your answer:

There are 9 cubes named as m, n, o, p, q, r, s, t and u in layer 1,

And 4 cubes (in columns b, e, h and k) in each of the layers 2, 3, 4 and 5 got  one red face.

So there are 9 + (4 x 4) = 25 cubes

The final answer for this question is 25 cubes.

If there is any confusion please leave a comment below.

Answer 2

Answer:

105 is the answer

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