Question
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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 column from each of the four comers. All the exposed faces of the rest of the solid (except the face touching the table) are coloured red. Now, answer these questions based on the above statement:
How many small cubes are there in the solid after the removal of the columns?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAccording to the question:
1) One hundred and twenty five cubes of the same size are arranged in the form of a cube on a table.
2) Then a column of five cubes is removed column from each of the four comers.
3) All the exposed faces of the rest of the solid (except the face touching the table) are coloured red.
So, number of small cubes are there in the solid after the removal of the columns = 125 - (5 × 4)
= 125 - 20 ⇒ 105
Hence, "Option 3" is the correct answer.
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