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: if radius of a circle is reduced by 10 % , then how much % of its area will be reduced ? 
Options: ['a ) 10 %', 'b ) 19 %', 'c ) 20 %', 'd ) 36 %', 'e ) 30 %']

Answer: b


Question: Problem: the area of a rectangular plot is 18 times its breadth . if the difference between the length and the breadth is 10 metres , what is its breadth ? 
Options: a ) 10 metres , b ) 8 metres , c ) 7.5 metres , d ) data inadequate , e ) none of these

Answer: b


Question: Problem: if the side of the regular hexagon above is 2 , what is the circumference of the inscribed circle ? 
Options: ['a ) 2 ∏ √ 3', 'b ) 3 ∏', 'c ) 4 ∏ / √ 3', 'd ) 2 ∏ / √ 3', 'e ) ∏ √ 3']

Answer:
a