Time and Distance Practice Test 2 with solutions

Question : 20 of 40

Marks: +1, -0

A certain distance is covered by a vehicle at a certain speed. If half of this distance is covered by another vehicle in double the time, the ratio of the speeds of the two vehicles is:

4 : 1
1 : 4
2 : 1
1 : 2

Validate

Solution:

Let x km/hr and t hr be the certain speed and certain time.
Then, ratio of their speeds =

x/t : x/{2×2t}

1 : 1/4

= 4 : 1

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