A closed box 20cm long ,16cm breadth and 12cm high is to be made from a sheet of metal . How much metal sheet will be required ?
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16cm wide and 24cm high.
Volume of box =lbh
=16cm×24cm×20cm
=320×24
Volume of box =7680cm
3
Given edge of cuboidal box =4cm
Volume of 1 box =(4)
3
=64cm
3
No. of boxes fit inside cuboidal box
No. of boxes =
64
7680
No. of boxes fit inside large box is 120.
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