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A man moves from station A to B with speed 5km/h for half time and with speed 15km/h for remaining time. The average speed of the man over the entire journey is :(1) 10km/h(2) 12km/h(3) 6km/h(4) 25km/h |
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Answer» A man moves from station A to B with speed 5km/h for half time and with speed 15km/h for remaining time. The average speed of the man over the entire journey is : (1) 10km/h (2) 12km/h (3) 6km/h (4) 25km/h |
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