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: the area of the largest circle that can be drawn inside a square of side 70 cm in length is : 
Options: ['a ) 3600', 'b ) 2646', 'c ) 3850', 'd ) 4215', 'e ) 5205']

A: c
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Q: Problem: if the height of a cone is increased by 140 % then its volume is increased by ? 
Options: ['a ) 100', 'b ) 140', 'c ) 998', 'd ) 729', 'e ) 2879']

A: b
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Q: Problem: the largest two digit number which is a perfect cube , is : 
Options: a ) 25 , b ) 36 , c ) 49 , d ) 64 , e ) 81

A:
d
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