A train met with an accident 40km away from station A. It completed the remaining journey at 5/6th of the original speed and reached station B 1hr 12mins late. Had the accident taken place 60km further, it would have been only 1hr late. what was the original speed of the train?	Pick
A) 40 km/hr
B) 55 km/hr
C) 65 km/hr
D) 70 km/hr
E) 48 km/hr
let the original speed be 6x. A/q, traveling 40 km at 5/6th of original speed costs him 12 minutes etc   40/5x =40/6x +12/40 -&gt; x =10 , 4x= 40.   40 km/hrns 40 km/hr
<result>A</result>
A train met with an accident 40km away from station A. It completed the remaining journey at 5/6th of the original speed and reached station B 1hr 12mins late. Had the accident taken place 60km further, it would have been only 1hr late. what was the original speed of the train?