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: how many odd numbers between 10 and 1400 are the squares of integers ? 
Options: a ) 14 , b ) 17 , c ) 20 , d ) 23 , e ) 26

A: b
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Q: Problem: a voltage will influence current only if the circuit is : 
Options: ['a ) 2', 'b ) 7', 'c ) 6', 'd ) 889', 'e ) 1']

A: b
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Q: Problem: four concentric circles r given . the radius of 1 st circle is x . next is 2 x , then 3 x and 4 x . given that area b / w 2 nd and 1 st is a and 4 th and 3 rd circles being b . find ratio of a to b 
Options: ['a ) 2 : 7', 'b ) 1 : 7', 'c ) 3 : 5', 'd ) 3 : 7', 'e ) 3 : 4']

A:
d
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