Time and Distance Practice Test 1 with solutions

Question : 11 of 40

Marks: +1, -0

A cyclist riding a bycycle in a fog crossed a pedestrian who was walking in the same direction at the rate of 1.5 km/hr. If the pedestrian could see the cyclist for 4 minutes and if the cyclist was visible to him upto a distance of 0.4 km, what was the speed of the cyclist?

8 km/hr
10 km/hr
7.5 km/hr
6 km/hr
6.66 km/hr

Validate

Solution:

Let the speed of the cyclist = x km/hour.
Relative speed = (x - 1.5) km/hour
According to the question,

{0.4}/{x-1.5}

4/{60}

x - 1.5 = 6
x = 7.5 km/hour

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