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Question:
by Tests and Tutors - Thursday, 15 January 2009, 12:56
  Assume all compact and mini discs are perfect circles. If the diameter of a Toshiba compact disc is 4 times that of a Sony mini disc, what is the ratio of the area of a Sony mini Disc to the area of Toshiba Compact disc?
  1. 1:12
  2. 1:10
  3. 1:16
  4. 1:8
  5. 1:4
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