Q.

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

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a

672 cm3

b

1000 cm3

c

828 cm3

d

500 cm3

answer is B.

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Detailed Solution

Clearly, 1 = (25-4) cm = 21 cm

b=(204)cm=16 cmh=2 cm

 Volume of the box =(21×16×2)cm3=672 cm3.

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