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Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
- a)10
- b)12
- c)20
- d)9
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Excluding stoppages, the speed of a bus is 54 kmph and including stopp...
Due to stoppages, it covers 9 km less.
Time taken to cover 9 km = (9/54)x 60 mins = 10 mins
Time taken to cover 9 km = (9/54)x 60 mins = 10 mins
Most Upvoted Answer
Excluding stoppages, the speed of a bus is 54 kmph and including stopp...
Understanding the Problem
The bus speed varies depending on whether we include stoppages or not.
- Speed Excluding Stoppages: 54 kmph
- Speed Including Stoppages: 45 kmph
Calculating Effective Speed Loss Due to Stoppages
To find out how long the bus stops, we need to calculate the difference in speed:
- Difference in Speed: 54 kmph - 45 kmph = 9 kmph
Time Calculation
Now, we want to determine how much time the bus spends stopping in one hour.
- Effective Speed: When the bus travels for one hour without stopping, it covers 54 km.
- Distance Covered Including Stoppages: At 45 kmph for one hour, the bus covers 45 km.
Distance Covered During Stops
The distance lost due to stoppages can be calculated:
- Distance Lost: 54 km - 45 km = 9 km
Time Taken for Stoppages
To find out how long the bus stops, we can use the effective speed during stoppages:
- Time Stopped: Distance lost due to stoppages / Speed due to stoppages
- Using the formula: Time = Distance / Speed
- Time = 9 km / 54 kmph = 1/6 hour
Converting Hours to Minutes
Converting this time into minutes:
- 1 hour = 60 minutes
- Time stopped: (1/6) * 60 = 10 minutes
Conclusion
Thus, the bus stops for 10 minutes per hour, confirming that the correct answer is option 'A'.
The bus speed varies depending on whether we include stoppages or not.
- Speed Excluding Stoppages: 54 kmph
- Speed Including Stoppages: 45 kmph
Calculating Effective Speed Loss Due to Stoppages
To find out how long the bus stops, we need to calculate the difference in speed:
- Difference in Speed: 54 kmph - 45 kmph = 9 kmph
Time Calculation
Now, we want to determine how much time the bus spends stopping in one hour.
- Effective Speed: When the bus travels for one hour without stopping, it covers 54 km.
- Distance Covered Including Stoppages: At 45 kmph for one hour, the bus covers 45 km.
Distance Covered During Stops
The distance lost due to stoppages can be calculated:
- Distance Lost: 54 km - 45 km = 9 km
Time Taken for Stoppages
To find out how long the bus stops, we can use the effective speed during stoppages:
- Time Stopped: Distance lost due to stoppages / Speed due to stoppages
- Using the formula: Time = Distance / Speed
- Time = 9 km / 54 kmph = 1/6 hour
Converting Hours to Minutes
Converting this time into minutes:
- 1 hour = 60 minutes
- Time stopped: (1/6) * 60 = 10 minutes
Conclusion
Thus, the bus stops for 10 minutes per hour, confirming that the correct answer is option 'A'.
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Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?a)10b)12c)20d)9Correct answer is option 'A'. Can you explain this answer? for Interview Preparation 2025 is part of Interview Preparation preparation. The Question and answers have been prepared according to the Interview Preparation exam syllabus. Information about Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?a)10b)12c)20d)9Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Interview Preparation 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?a)10b)12c)20d)9Correct answer is option 'A'. Can you explain this answer?.
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