Task: Question Answering
Input (English): Problem: the average earning of amechanic for the first 4 days of a week is rs . 25 and for the last 4 days is rs . 22 . if heearns rs . 20 on the fourth day , his average earning forthe whole week is ? 
Options: a ) s . 10 , b ) s . 24 , c ) s . 30 , d ) s . 40 , e ) s . 50
Output (English): b