Question

An open cuboidal box is made up of wood 3 cm thick. Its external dimension are 1.46 m, 1.16m and 8.3 cm. The cost of painting the inner surface of the box at 50 paise per 100 sq.cm is .

Answer 1

Answer:

Given: A open box is made of wood 3 cm thick its external length, breadth and height are 1.48 m , 1.16 m and 8.3 m. To Find: Find the cost of painting the inner surface at rupees 50 per square metre.