instruction:
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'.
question:
Problem: if 5400 mn = k ^ 4 , where m , n , and k are positive integers , what is the least possible value of m + 2 n ? 
Options: a ) 11 , b ) 18 , c ) 20 , d ) 25 , e ) 40
answer:
e


question:
Problem: if 12 : 8 : : x : 16 , then find the value of x 
Options: a ) 18 , b ) 24 , c ) 28 , d ) 16 , e ) 20
answer:
b


question:
Problem: how many integers between 263,205 and 658,805 have tens digit 1 and units digit 3 ? 
Options: a ) 3,955 , b ) 3,925 , c ) 3,956 , d ) 3,926 , e ) 3,915
answer:

c