In this task, you need to provide the correct option for a given problem from the provided options.

[Q]: Problem: of the 55 cars on a car lot , 40 have air - conditioning , 25 have power windows , and 12 have both air - conditioning and power windows . how many of the cars on the lot have neither air - conditioning nor power windows ? 
Options: a ) 15 , b ) 8 , c ) 10 , d ) 2 , e ) 18
[A]: d


[Q]: Problem: in a ratio which is equal to 3 : 4 , if the antecedent is 12 , then the consequent is ? 
Options: a ) 12 , b ) 16 , c ) 20 , d ) 22 , e ) 25
[A]: b


[Q]: Problem: if the ratio of a to b is 4 to 3 and the ratio of b to c is 1 to 5 , what is the ratio of a to c ? 
Options: a ) 4 / 15 , b ) 1 / 3 , c ) 2 / 5 , d ) 4 / 5 , e ) 7 / 6
[A]:
a