GRE Question of the Day: Problem Solving

When magnified 1,000 times by an electron microscope, the image of a certain circular piece of tissue has a diameter of 0.5 centimeter. The actual diameter of the tissue, in centimeters, is
(A) 0.005
(B) 0.002
(C) 0.001
(D) 0.0005
(E) 0.0002

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1. AL says:

   December 7, 2006 at 2:13 PM

   D

   Reply
2. hemanth says:

   December 7, 2006 at 5:00 PM

   D

   Reply
3. dwaipayan says:

   December 7, 2006 at 5:13 PM

   definitely D

   Reply
4. niru says:

   December 7, 2006 at 5:21 PM

   d

   Reply
5. prashant says:

   December 7, 2006 at 5:44 PM

   D

   Reply
6. Chintan says:

   January 7, 2007 at 10:17 AM

   The correct answer id “D”…

   Reply
7. anandita says:

   January 8, 2007 at 10:01 AM

   (D) 0.0005

   Reply
8. Ravindra Shelke says:

   January 9, 2007 at 12:36 PM

   D

   Reply