two cyclists start together in the same direction from the same place.the first goes with uniform speed of 10km per hour.the second goes at a speed of 8 km per hour in the first hour increases thr 1/2km each succeeding hour.after how many hours the second cyclist overtake the first if both non-stop?
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in 8 hours both travel 80 km so after 8 hours the second one over takes the first
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