Aptitude:speed and distance [Section 1 of 1] Q8 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 16:05Select the correct answerThree cars travelled distance in the ratio 1 : 2 : 3. If the ratio of the time of travel is 3 : 2 : 1, then the ratio of their speed is?
Question
Aptitude:speed and distance [Section 1 of 1] Q8 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 16:05Select the correct answerThree cars travelled distance in the ratio 1 : 2 : 3. If the ratio of the time of travel is 3 : 2 : 1, then the ratio of their speed is?
Solution 1
The ratio of speed can be calculated using the formula: Speed = Distance / Time.
Given that the ratio of distance is 1:2:3 and the ratio of time is 3:2:1, we can calculate the speed ratio for each car as follows:
- For the first car, the speed ratio is 1/3.
- For the second car, the speed ratio is 2/2 = 1.
- For the third car, the speed ratio is 3/1 = 3.
Therefore, the ratio of their speeds is 1:1:3.
Solution 2
The ratio of speed can be calculated using the formula: Speed = Distance/Time.
Given, the ratio of distance is 1:2:3 and the ratio of time is 3:2:1.
For the first car, speed = 1/3. For the second car, speed = 2/2 = 1. For the third car, speed = 3/1 = 3.
Therefore, the ratio of their speed is 1:1:3.
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