A car covers (⅗)th of distance at a speed of 72 km/h and rest of distance with 54km/h . The average speed of the car for complete journey is
options
1. 16m/s
2. 17.65m/s
3. 18.67m/s
4. 15.35m/s
Answers
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Answer:
17.65 m/s
Explanation:
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