Task: Question Answering
Input (English): Problem: a man has rs . 10350 in the form of rs . 50 notes and rs . 500 notes . the total number of notes are 126 . find the number of notes of rs . 50 denomination . 
Options: a ) 115 , b ) 121 , c ) 117 , d ) 119 , e ) 121
Output (English): c