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The distance between a town and mill is 30km.a man statted walking from mil to town,at 6:30 am,while a cyclist left the town for the mill at 6 :40 am

riding at a speed of 18 kmph .the man met the cyclist after travelling 6 km.then speed of man will be ?



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Cyclist left the town 10 minutes late than the man.
they met after 6km.
time taken by cyclist to cover 6km = distance/speed = 6/18 = 1/3 hour = 20 min
time taken by man = 20+10 = 30 minute = 1/2 hour

In 1/2 hour, the man walked 6km
speed = distance/time = 6/ (1/2) = 6×2 = 12 km/h
speed of man is 12kmph

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