Task: Question Answering
Input (English): Problem: a mixture contains milk and water in the ratio 3 : 2 . on adding 10 liters of water , the ratio of milk to water becomes 2 : 3 . total quantity of milk & water before adding water to it ? 
Options: a ) 30 , b ) 40 , c ) 20 , d ) 10 , e ) 25
Output (English): c