A bike travels from R to S at the speed of 30 km/hr and from S to R at speed of 20 km/hr. What is the average speed of the bike ?

A bike travels from R to S at the speed of 30 km/hr and from S to R at

1.	A bike travels from R to S at the speed of 30 km/hr and from S to R at speed of 20 km/hr. What is the average speed of the bike ?
A.	30 km/hr
B.	28 km/hr
C.	32 km/hr
D.	24 km/hr
Answer» E.

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A bike travels from R to S at the speed of 30 km/hr and from S to R at speed of 20 km/hr. What is the average speed of the bike ?

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