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Two cars move in the same direction at 60 km/h and 40 km/h. The faster car's speed relative to the slower is:
A100 km/h
B20 km/h
C50 km/h
D10 km/h
Answer & Solution
Correct answer: B. 20 km/h
Same direction means subtract the velocities, 60 - 40 = 20 km/h.
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