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'.

[Q]: Problem: find ( 7 x + 2 y ) / ( x - 2 y ) if x / 2 y = 3 / 2 ? 
Options: a ) 23 , b ) 25 , c ) 26 , d ) 27 , e ) 29
[A]: a


[Q]: Problem: find the smallest positive integer n such that 11 n - 1 is divisible by 105 . 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
[A]: d


[Q]: Problem: what is theleast number should be added to 1056 , so the sum of the number is completely divisible by 23 ? 
Options: a ) 20 , b ) 23 , c ) 25 , d ) 27 , e ) 28
[A]:
b