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?
Choose the correct choice from the following answers
A) 182 kmph B) 192 kmph C) 193 kmph D) 196 kmph E) 190 kmph

Rationale: pony take 20 hours and horse take 12 hours . . . then distance chased by them is 320 * 12 . so speed of pony is ( 320 * 12 ) / 20 = 192 kmph . answer is b
Answer: B