Question

    A wooden box measures 17cm by 15cm by 13cm. Thickness of wood is 1 cm. volume of wood to make the box is. 

    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× b× h –(l-2x) (b-2x) (h-2x)           --where, x is the thickness of walls of the cuboid = 17×15×13 – (17-2) (15-2) (13-2) =3315 -13×12×8 =3315- 1268 = 2407cm3

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