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In speed and delay study, if the average journey time on a stretch of road length of 3.5 km is 7.55 minutes and the average stopped delay is 1.8 minutes, the average running speed will be, nearly
  • a)
    36.5 kmph
  • b)
    37.5 kmph
  • c)
    38.5 kmph
  • d)
    39.5 kmph
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In speed and delay study, if the average journey time on a stretch of...
Average running time = Average journey time – Average stopped delay = 7.55 – 1.8 = 5.75 minutes
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Most Upvoted Answer
In speed and delay study, if the average journey time on a stretch of...
Given information:
- Length of the road stretch = 3.5 km
- Average journey time on the road stretch = 7.55 minutes
- Average stopped delay = 1.8 minutes

Calculating average running time:
To find the average running time, we need to subtract the average stopped delay from the average journey time.

Average running time = Average journey time - Average stopped delay
= 7.55 minutes - 1.8 minutes
= 5.75 minutes

Calculating average running speed:
To find the average running speed, we need to divide the length of the road stretch by the average running time.

Average running speed = Length of road stretch / Average running time
= 3.5 km / 5.75 minutes

To convert the time from minutes to hours, we divide by 60.

Average running speed = (3.5 km / 5.75 minutes) * (60 minutes / 1 hour)
= 3.5 km * (60 / 5.75) km/hour
= 3.5 km * 10.43 km/hour
= 36.505 km/hour

Therefore, the average running speed is approximately 36.5 km/hour, which corresponds to option 'A'.
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In speed and delay study, if the average journey time on a stretch of road length of 3.5 km is 7.55 minutes and the average stopped delay is 1.8 minutes, the average running speed will be, nearlya)36.5 kmphb)37.5 kmphc)38.5 kmphd)39.5 kmphCorrect answer is option 'A'. Can you explain this answer?
Question Description
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