Subject: mathqa
Question: a horse chases a pony 8 hours after the pony runs . horse takes 12 hours to reach the pony . if the average speed of the horse is 320 kmph , what s the average speed of the pony ?
Option: 
A: 193 kmph
B: 182 kmph
C: 190 kmph
D: 192 kmph
Answer: D