Task: Question Answering
Input (English): Problem: a , b and c invested rs . 2400 , rs . 7200 and rs . 9600 respectively , in a partnership business . find the share of a in profit of rs . 9000 after a year ? 
Options: a ) 1125 , b ) 2400 , c ) 7200 , d ) 2500 , e ) 2511
Output (English): a