Task: Question Answering
Input (English): Problem: an amount of rs . 10000 is invested in two types of shares . the first yields an interest of 9 % p . a and the second , 11 % p . a . if the total interest at the end of one year is 9 3 / 4 % , then the amount invested at 11 % was ? 
Options: a ) 2377 , b ) 3750 , c ) 2997 , d ) 2677 , e ) 1987
Output (English): b