An 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 dm . find the cost of painting the inner surface area of Rs.50 per square metre.

An open box is made of wood 3 cm thick .Its external Length breadth an

1.	An 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 dm . find the cost of painting the inner surface area of Rs.50 per square metre.
Answer» An 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 dm . find the cost of painting the inner surface area of Rs.50 per square metre.