Number Systems
Quick practice
Question 1 of 5
An open box is made of wood 2 cm thick. Its internal length is 86 cm, breadth is 46 cm, and height is 38 cm. The cost of painting the outer surface of the box at Rs. 20 per 
(excluding outer upper edge) is:
A
None of these
B
31.4
C
33.5
D
15.7
E
32.5
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