A wooden box is a cuboid measuring

MATHEMATICS · Subjective · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

A wooden box is a cuboid measuring 50 cm×30 cm×20 cm50\,\text{cm} \times 30\,\text{cm} \times 20\,\text{cm}. The top and bottom faces are polished at ₹2 per 100 cm2100\,\text{cm}^2, while the four side faces are polished at ₹1.50 per 100 cm2100\,\text{cm}^2. Find the total cost of polishing the entire outer surface of the box.

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