In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: what is the ratio between perimeters of two squares one having 2.5 times the diagonal then the other ? 
Options: a ) 4 : 5 , b ) 1 : 3 , c ) 2.5 : 1 , d ) 3.5 : 1 , e ) 3 : 2

A: c
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Q: Problem: when magnified 1,000 times by an electron microscope , the image of a certain circular piece of tissue has a diameter of 2 centimeter . the actual diameter of the tissue , in centimeters , is 
Options: ['a ) 0.005', 'b ) 0.002', 'c ) 0.001', 'd ) 0.0005', 'e ) 0.0002']

A: b
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Q: Problem: the volume of a cube is 1728 cc . find its surface ? 
Options: ['a ) 864', 'b ) 209', 'c ) 278', 'd ) 276', 'e ) 280']

A:
a
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