Rohit rides his scooter from Pune to Lonavala at 42 km/h and comes back by the same road at 63 km/h. What is his average speed for the round trip (in km/h)?
Competition practiceSpeed, Time & Distance
A50.4
B52.5
C49
D54
Step-by-Step Solution
For equal distances, average speed = 2×42×63/(42+63)=5292/105=50.4 km/h.
Answer: A) 50.4
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