Task: Question Answering
Input (English): Problem: the average of 10 numbers was calculated as 19 . it is discovered later on that while calculating the average , one number , namely 76 , was incorrectly read as 26 . what is the correct average ? 
Options: a ) 21 , b ) 22 , c ) 23 , d ) 24 , e ) 25
Output (English): d