Data Sufficiency
mediumQ1
What is the average speed for the whole journey? Statement I: A car travels 60 km at 30 km/h and 60 km at 60 km/h. Statement II: Total distance is 120 km and total time is 3 hours.
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What is the average speed for the whole journey? Statement I: A car travels 60 km at 30 km/h and 60 km at 60 km/h. Statement II: Total distance is 120 km and total time is 3 hours.