Task: Question Answering
Input (English): Problem: apple costs l rupees per kilogram for first 30 kgs and q rupees per kilogram for each additional kilogram . if the price of 33 kilograms is 663 and for 36 kgs of apples is 726 then the cost of first 10 kgs of apples is 
Options: a ) 100 , b ) 150 , c ) 200 , d ) 350 , e ) 450
Output (English): c