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    Question

    A wooden box measures 17cm by 15cm by 13cm. Thickness of

    wood is 1 cm. volume of wood to make the box is.┬а
    A 1864 Correct Answer Incorrect Answer
    B 1728 Correct Answer Incorrect Answer
    C 2407 Correct Answer Incorrect Answer
    D 2182 Correct Answer Incorrect Answer

    Solution

    l=17, b=15, h=13, and x =1 Volume of hollow cuboid = l├Ч b├Ч h тАУ(l-2x) (b-2x) (h-2x) ┬а┬а┬а┬а┬а┬а┬а┬а┬а --where, x is the thickness of walls of the cuboid = 17├Ч15├Ч13 тАУ (17-2) (15-2) (13-2) =3315 -13├Ч12├Ч8 =3315- 1268 = 2407cm3

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