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    Question

    A cuboidal box has a length of 15 cm, a width of 12 cm,

    and a height of 10 cm. A cylindrical hole of radius 3 cm and height equal to the cuboid is drilled through its center. Find the remaining volume of the box.
    A 1800 cm┬│ Correct Answer Incorrect Answer
    B 1734 cm┬│ Correct Answer Incorrect Answer
    C 1630 cm┬│ Correct Answer Incorrect Answer
    D 1517 cm┬│ Correct Answer Incorrect Answer

    Solution

    Volume of the cuboid = l ├Ч w ├Ч h = 15 ├Ч 12 ├Ч 10 = 1800 cm┬│. Volume of the cylindrical hole = ╧Аr┬▓h = (22/7) ├Ч 3┬▓ ├Ч 10 = (22/7) ├Ч 9 ├Ч 10 = 282.86 cm┬│. Remaining volume = 1800 - 282.86 = 1517.14 cm┬│ тЙИ 1517 cm┬│.

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