The outer dimensions of a closed wooden box are 45 cm × 35 cm × 3

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The outer dimensions of a closed wooden box are 45 cm × 35 cm × 30 cm. The box is made of wood 2.5 cm thick. The cost of wood used at Rs 4 per dm³ is

Options:

A . Rs 49.00

B . Rs 59.00

C . Rs 69.00

D . Rs 79.00

Answer: Option C

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