When a train travels from Delhi to Mumbai at the rate of 120km/hr and returns back at the rate of 180km/hr then what is the average speed of the train? A. 144km/hr B. 154km/hr C. 160km/hr D. 170km/hr Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Average Speed=2*120*180/(120+180)=144km/hr Workspace
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