A man travels 150km by train at 50km/hr, 200km by ship at 20km/hr, 300km by aeroplane at 100km/hr and 100km by car at 50km/hr. What is the average speed for the entire distance?	Answers:
A) 35.3km/hr B) 41.67km/hr C) 48.9km/hr D) 52.6km/hr E) 27.6km/hr
Total distance traveled = 150+200+300+100= 
<gadget id="calculator">150+200+300+100</gadget>
<output>750</output>
750km   Total time taken= 150/50 + 200/20 + 300/100 + 100/50= 
<gadget id="calculator">150/50 + 200/20 + 300/100 + 100/50</gadget>
<output>18</output>
18 hrs   Average speed= 750/18 = 41.67km/hr approximately ;   Answer is 41.67km/hr
<result>B</result>
A man travels 150km by train at 50km/hr, 200km by ship at 20km/hr, 300km by aeroplane at 100km/hr and 100km by car at 50km/hr. What is the average speed for the entire distance?