Question 58

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:

Solution

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,

$$\frac{x}{5} + frac{(50 - x)}{10} = 9$$

2x + (50 - x) = 90

x = 40

Distance covered by bicycle = 50 - x = 50 - 40 = 10 km

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