In this task, you need to provide the correct option for a given problem from the provided options.
--------
Question: Problem: if 75 percent of a class answered the first question on a certain test correctly , 25 percent answered the second question on the test correctly , and 20 percent answered neither of the questions correctly , what percent answered both correctly ? 
Options: a ) 10 % , b ) 20 % , c ) 30 % , d ) 50 % , e ) 65 %

Answer: b


Question: Problem: if two dice are thrown together , the probability of getting prime number on both dice is 
Options: a ) 5 / 9 , b ) 1 / 9 , c ) 2 / 9 , d ) 4 / 9 , e ) 7 / 9

Answer: c


Question: 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

Answer:
d