priya is driving at an average speed of 60 km per hour. she reaches her friends house in 20 minutes on her way back. she takes 30 minutes to reach home find her average speed on her return journey.
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Answer:
2/3
Step-by-step explanation:
she goes with speed 60 so she take 20 min to reach so distance is 20 metres so distance is 20 but time is 30 so average speed is 2/3
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