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From the four corners of a rectangular sheet of dimensions 25 cm `xx` 20 cm, square of side 2 cm is cut off from four corners and a box is made. The volume of the box is:

A

`828" cm"^(3)`

B

`672" cm"^(3)`

C

`500" cm"^(3)`

D

`1000" cm"^(3)`

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