In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
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Question: Problem: a certain car traveled twice as many miles from town a to town b as it did from town b to town c . from town a to town b , the car averaged 20 miles per gallon , and from town b to town c , the car averaged 25 miles per gallon . what is the average miles per gallon that the car achieved on its trip from town a through town b to town c ?
Options: a ) 20 , b ) 18 , c ) 21.4 , d ) 16 , e ) 10

Answer: c

Question: Problem: a man has some hens and cows . if the number of heads be 60 and the number of feet equals 200 , then the number of hens will be :
Options: a ) 22 , b ) 25 , c ) 24 , d ) 20 , e ) 28

Answer: d

Question: Problem: what is the smallest integer x such that 2 x + 2 is divisible by 33 , 44 , 55 , and 666 ?
Options: a ) x = 53186760 , b ) x = 26593379 , c ) x = 73260 , d ) x = 36629 , e ) x = 6666

Answer:
d