Task: Question Answering
Input (English): Problem: a man took loan from a bank at the rate of 12 % p . a . s . i . after 20 years he had to pay rs . 1500 interest only for the period . the principal amount borrowed by him was ? 
Options: a ) 625 , b ) 700 , c ) 950 , d ) 825 , e ) 630
Output (English): a