Aptitude:speed and distance [Section 1 of 1] Q29 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 03:10Select the correct answerThe ratio between the speeds of two trains is 2 : 5. If the first train covers 350 km in 5 hours, then the difference between the speed (in km/h) of both the trains is?
Question
Aptitude:speed and distance [Section 1 of 1] Q29 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 03:10Select the correct answerThe ratio between the speeds of two trains is 2 : 5. If the first train covers 350 km in 5 hours, then the difference between the speed (in km/h) of both the trains is?
Solution
The speed of the first train is calculated by dividing the distance covered by the time taken.
So, Speed of first train = 350 km / 5 hours = 70 km/h.
Given that the ratio of the speeds of the two trains is 2:5, we can set up the following proportion to find the speed of the second train:
2/5 = 70/x
Solving for x gives us x = 175 km/h.
Therefore, the difference in speed between the two trains is 175 km/h - 70 km/h = 105 km/h.
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