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A cubical box has each edge 10 cm and...

A cubical box has each edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high. (i) Which box has the greater lateral surface area and by how much? (ii) Which box has the smaller total surface area and by how much?

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The correct Answer is:
(i) The lateral surface area of cubical box is greater by 40 `cm^(2)` (400-360).
(ii) The total surface area of cubical box is smaller by 10 `cm^(2)` (610-600).
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