Question:A `4 cm` cube is cut into `1` cm cubes. The total surface area of all the small cubes is ; 

A `96 cm^2` 
B `24 cm^2` 
C `384 cm^` 
D None 

+ Answer
C 

+ Explanation
Number of cubes 

`= ((4 xx 4 xx 4)/(1 xx 1 xx 1))`

`= 64.`

Surface area of all small cubes

`= 64 xx [6 xx (1)^2]`

`= 384 cm^2.`

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Irin Moni

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