Task: Question Answering
Input (English): Problem: there are 6 working days in a regular week and for each day , the working hours are 10 . a man earns rs . 2.10 per hour for regular work and rs . 4.20 per hour for overtime . if he earns rs . 525 in 4 weeks , how many hours did he work ? 
Options: a ) 225 , b ) 235 , c ) 215 , d ) 255 , e ) 245
Output (English): e