Arithmetic Aptitudes › Time and Distance › Question #4677
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QA train travels for 8 hours without stopping. If it had driven 5 kilometres per hour quicker, it would have completed the voyage in 6 hours and 40 minutes. What is the slower speed of it?

ID: #4677 Time and Distance 142 views
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#4677Q ID
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Time and DistanceTopic
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  • A 40kmph ✔ ✖
  • B 25kmph ✔ ✖
  • C 30kmph ✔ ✖
  • D 60kmph ✔ ✖
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Explanation


The slower speed of the train is given as V km/h.

We are given that the train takes 8 hours to travel a certain distance at the slower speed and takes 20/3 hours to travel the same distance at a faster speed.

We can use the formula V1 x t1 = V2 x t2 to find the slower speed of the train. 

Plugging in the values given in the problem, we get V x 8 = (V + 5) x 20/3.

Solving for V, we get V = 25 km/h.

Therefore, the slower speed of the train is 25 km/h.
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