Task: Question Answering
Input (English): Problem: peter can cover a certain distance in 1 hr . 24 min . by covering two - third of the distance at 4 kmph and the rest at 5 kmph . find the total distance . 
Options: a ) 4 km , b ) 5 km , c ) 6 km , d ) 7 km , e ) 8 km
Output (English): c