Answers

2016-04-11T15:51:37+05:30
Given, thickness of wood = 2cm
external dimensions = 25cm×18cm×15cm
internal dimensions = 
25-2cm×18-2cm×15-2cm = 23cm×16cm×13cm
cubic cm of rice can be placed in it = internal volume of the box = 23×16×13 = 231,613 cm³
volume of wood used in the box = (25×18×15) - (23×16×13) = 231613 cm³
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