Quick practice
Question 1 of 5
A person walks from point A to point B along a straight road of length 600 m in 5 minutes. He immediately returns from B to A along the same road in 3 minutes. What is his average speed for the entire journey in km per hour?
A
7.2
B
10.0
C
9.0
D
8.0
Concepts
Number Series
Relationships
Classification
Distance, speed & Time
Proportion and Percentage
Average
Profit and Loss
Interest and Discounting
Mensuration
Data Sufficiency
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