1.

A person travelled a distance of 50 km in 8 hours. He covered a part of the distance on foot at the rate of 4 km per hour and a part on a bicycle at the rate of 10 km per hour. How much distance did he travel on foot?

A. 10 km
B. 20 km
C. 30 km
D. 40 km
Answer» C. 30 km


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