A person goes to office at 1/5 (one-fifth) of the speed returning from his office. If his average speed during this entire journey is 20 km/h, then what is the speed (in m/s) of the person on his way to office?

A person goes to office at 1/5 (one-fifth) of the speed returning from

1.	A person goes to office at 1/5 (one-fifth) of the speed returning from his office. If his average speed during this entire journey is 20 km/h, then what is the speed (in m/s) of the person on his way to office?
A.	11/3
B.	8
C.	10/3
D.	12
Answer» D. 12

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A person goes to office at 1/5 (one-fifth) of the speed returning from his office. If his average speed during this entire journey is 20 km/h, then what is the speed (in m/s) of the person on his way to office?

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