CSIR NET Practice Questions - CSIR UGC National Eligibility Test Exam

A train travels the first half of a journey at 60 km/h and the second half at 90 km/h. What is its average speed over the entire trip?

72 km/h 75 km/h 70 km/h 78 km/h

72 km/h

Access more questions from this quiz

Continue to CSIR NET Practice Questions - CSIR UGC National Eligibility Test Exam for more practice questions and the full quiz experience.