Task: Question Answering
Input (English): Problem: robert is travelling on his cycle and has calculated to reach point a at 2 p . m . if he travels at 10 kmph , he will reach there at 12 noon if he travels at 15 kmph . at what speed must he travel to reach a at 1 p . m . ? 
Options: a ) 8 , b ) 12 , c ) 11 , d ) 16 , e ) 18
Output (English): b