Amit travelled a distance of 50 km in 9 hours. He travelled partly on foot at 5 km/h and partly by bicycle at 10 km/h. The distance travelled on the bicycle is:
Let Amit traveled a distance on foot be x km.
Distance covered by bicycle = 50 - x
Time taken by Amit in journey = 9 hours
Time = distance/speed
According to question,
$$\frac{x}{5} + frac{(50 - x)}{10} = 9$$Â Â
2x + (50 - x) = 90
x = 40
Distance covered by bicycle = 50 - x = 50 - 40 = 10 km
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