Task: Question Answering
Input (English): Problem: the average runs scored by a batsman in 20 matches is 40 . in the next 10 matches the batsman scored an average of 20 runs . find his average in all the 30 matches ? 
Options: a ) 31 , b ) 46 , c ) 88 , d ) 33.33 , e ) 12
Output (English): d