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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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