A train met with an accident 70km 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?
Choose the correct choice from the following answers
A) 60 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 70 km at 5/6th of original speed costs him 12 minutes etc   70/5x =70/6x +12/70 -&gt; x =10 , 7x= 70.   Ans 70 km/hr
<result>D</result>
A train met with an accident 70km 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?