Task: Question Answering
Input (English): Problem: a person buys 18 local tickets for rs 110 . each first class ticket costs rs 10 and each second class ticket costs rs 3 . what will another lot of 18 tickets in which the numbers of first class and second class tickets are interchanged cost ? 
Options: a ) 112 , b ) 118 , c ) 121 , d ) 124 , e ) none of these
Output (English): d