A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometres per hour, on an average, must he travel to make such a trip in 5/6 hour less time?

A salesman travels a distance of 50 km in 2 hours and 30 minutes. H

1.	A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometres per hour, on an average, must he travel to make such a trip in 5/6 hour less time?
A.	10
B.	20
C.	30
D.	None of these
Answer» B. 20

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A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometres per hour, on an average, must he travel to make such a trip in 5/6 hour less time?

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