1.

 A person travels for 5 hrs at speed of 40 kmh"1 & for 6 hrs at speed of 50 kmh'1 . At the end, he finds that he covered 1/2 of total distance. Find average speed to cover the remaining distance in 10

A. 20 kmh-1
B. 30 kmh-1
C. 40 kmh-1
D. 50 kmh-1
Answer» E.


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