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How many cubic centimeter of metal are there in an open metallic box whose external dimensions are 36cm, 25cm and 16cm the metal being 2cm thick

throughout? If 1 cubic cm of metal weight 15g find the weight of open box.


L-36cm. b-25cm.
h-16cm. volume of 3walls including floor-
36*16*2*3-3356cc. volume of 2 walls- 16*25*2-800cc. total metals- 3356+800-4156
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