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    Question

    A cube of 25 cm side is divided into 125 smaller cubes

    of equal volume. Find the side of smaller cubes:
    A 2 cm Correct Answer Incorrect Answer
    B 3 cm Correct Answer Incorrect Answer
    C 5 cm Correct Answer Incorrect Answer
    D 6 cm Correct Answer Incorrect Answer

    Solution

    Volume = side 3 = 25 3 = 15625 cm 3

    Volume of one small cube = 15625/125 = 125 cm 3

    Let the side be x , then:

    x 3 = 125 ⇒ x = 5 cm

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