A closed box made of wood of uniform thickness has length, breadth and height 12

Question

A closed box made of wood of uniform thickness has length, breadth and height 12 cm, 10 cm and 8 cm respectively. If the thickness of the wood is 1 cm, the inner surface area is :

Options:

A . 264 cm2

B . 376 cm2

C . 456 cm2

D . 696 cm2

Answer: Option B

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