A train travels 125 km in 2.5 hours and 270 km in 3 hours.find the average speed of train. Choose the correct choice from the following answers:
A) 80 kmph B) 60 kmph C) 72 kmph D) 90 kmph E) None of these
As we know that Speed = Distance / Time   for average speed = Total Distance / Total Time Taken   Thus, Total Distance = 125 + 270= 
<gadget id="calculator">125 + 270</gadget>
<output>395</output>
395 km   Thus, Total Speed= 5.5 hrs   or,Average Speed = 5=395/5.5   or, 72kmph.   ANSWER:72 kmph
<result>C</result>
A train travels 125 km in 2.5 hours and 270 km in 3 hours.find the average speed of train.