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

Answer: c


Question: Problem: if the radius of the sphere is 14 m . then its total surface area is 
Options: ['a ) 2644', 'b ) 2446', 'c ) 2464', 'd ) 6442', 'e ) 6424']

Answer: c


Question: Problem: what is the % change in the area of a rectangle when its length increases by 30 % and its width decreases by 30 % ? 
Options: a ) 0 % , b ) 20 % increase , c ) 20 % decrease , d ) 9 % decrease , e ) insufficient data

Answer:
d