The ratio of adjacent sides of a rectangular cardboard is 1:2. A square of area 4 $c m^{2}$ is cut out from each corner of the cardboard. The remaining cardboard is folded to form an open cuboid box of height 2 $c m$ . If the total outer surface area of the open box is 82 $c m^{2}$ , what is the volume of the box (in $c m^{3}$ )?

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Solution

The correct option is A 60

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