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Question
How many smaller cubes are painted brown at least on one of their faces ?
How many smaller cubes are painted brown at least on one of their faces ?
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Solution
The correct option is D 50
A cube of 10'' size is cut into cubes of 2'' size. Number of small cubes thus formed will be 125.
From one face of big cube, 25 small cubes will be cut. There are two such faces with brown paints. Hence, there will be 50 small cubes with at least one face painted brown.
A cube of 10'' size is cut into cubes of 2'' size. Number of small cubes thus formed will be 125.
From one face of big cube, 25 small cubes will be cut. There are two such faces with brown paints. Hence, there will be 50 small cubes with at least one face painted brown.
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