A man completes 30km of a journey at 6km/hr and the remaining 40km of the journey in 5 hours. His average speed for the whole journey is

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Question:A man completes 30km of a journey at 6km/hr and the remaining 40km of the journey in 5 hours. His average speed for the whole journey is

1. 6 4/11 km/hr

2.7km/hr

3. 7 ½ km/hr

4.8 km/hr

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  1. A man completes 30km of a journey at 6km/hr and the remaining 40km of the journey in 5 hours. His average speed for the whole journey is
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