A person travels 600 km by train at 80km/hr, 800 km by ship at 40 km/hr 500 km by aeroplane at 400 km/hr and 100 km by car at 50km/hr. What is the average speed for the entire distance ?

A person travels 600 km by train at 80km/hr, 800 km by ship at 40 km/h

1.	A person travels 600 km by train at 80km/hr, 800 km by ship at 40 km/hr 500 km by aeroplane at 400 km/hr and 100 km by car at 50km/hr. What is the average speed for the entire distance ?
A.	<table><tr><td rowspan="2">65</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">km./hr.</td></tr><tr><td style="text-align: center;">123</td></tr></table>
B.	60 km./hr.
C.	<table><tr><td rowspan="2">60</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">km./hr.</td></tr><tr><td style="text-align: center;">123</td></tr></table>
D.	62 km./hr.
Answer» B. 60 km./hr.

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A person travels 600 km by train at 80km/hr, 800 km by ship at 40 km/hr 500 km by aeroplane at 400 km/hr and 100 km by car at 50km/hr. What is the average speed for the entire distance ?

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