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A hollow cube of size 5cm is taken , with the thickness
of 1cm . it is made of smaller cubes of size 1cm . if the
outer surface of the cube is painted how many faces of the
smaller cubes remain unpainted?
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Answer Posted / khalid
438...
total number of faces=588...
surface area painted=6*5*5 cm2=150 cm2
which is equal to 150 faces of 1*1 cm2
painted faces=588-150 = 438....
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| Is This Answer Correct ? | 11 Yes | 37 No |
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