Total surface area of a cube of 2 centimetre side is

20 c m^{2}

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24 c m^{2}

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25 c m^{2}

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30 c m^{2}

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Solution

The correct option is C $24 c m^{2}$
Total surface area of the cube= $6 a^{2}$
Here a=2 cm
$\Rightarrow 6 \times (2^{2}) = 24 c m^{2}$

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