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A truck driving on a highway passed a man walking at the rate of 15km/hr in the same direction. He could see the truck for 2 minutes and up to 500 meters. Find the speed of the truck?
- a)27km/hr
- b)30km/hr
- c)32km/hr
- d)42km/hr
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A truck driving on a highway passed a man walking at the rate of 15km/...
x-15=(500/120) *18/5
x=30
x=30
Most Upvoted Answer
A truck driving on a highway passed a man walking at the rate of 15km/...
To find the speed of the truck, we need to first determine the distance it covers in 2 minutes.
Using the formula:
Distance = Speed × Time
We know that the man walking at 15 km/hr could see the truck for 2 minutes and up to 500 meters. So, the distance covered by the man in 2 minutes would be:
Distance = Speed × Time
Distance = 15 km/hr × (2/60) hr
Distance = 0.5 km
Since the man could see the truck up to 500 meters, we can conclude that the distance covered by the truck in 2 minutes is also 500 meters.
Now, we can determine the speed of the truck using the formula:
Speed = Distance / Time
We know that the distance covered by the truck in 2 minutes is 500 meters, and we need to convert this to kilometers:
Distance = 500 meters = 0.5 km
Time = 2 minutes = 2/60 hr
Plugging these values into the formula:
Speed = 0.5 km / (2/60) hr
Speed = 0.5 km × (60/2) hr
Speed = 15 km/hr
Therefore, the speed of the truck is 15 km/hr. None of the given answer options match the correct answer.
Using the formula:
Distance = Speed × Time
We know that the man walking at 15 km/hr could see the truck for 2 minutes and up to 500 meters. So, the distance covered by the man in 2 minutes would be:
Distance = Speed × Time
Distance = 15 km/hr × (2/60) hr
Distance = 0.5 km
Since the man could see the truck up to 500 meters, we can conclude that the distance covered by the truck in 2 minutes is also 500 meters.
Now, we can determine the speed of the truck using the formula:
Speed = Distance / Time
We know that the distance covered by the truck in 2 minutes is 500 meters, and we need to convert this to kilometers:
Distance = 500 meters = 0.5 km
Time = 2 minutes = 2/60 hr
Plugging these values into the formula:
Speed = 0.5 km / (2/60) hr
Speed = 0.5 km × (60/2) hr
Speed = 15 km/hr
Therefore, the speed of the truck is 15 km/hr. None of the given answer options match the correct answer.
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A truck driving on a highway passed a man walking at the rate of 15km/hr in the same direction. He could see the truck for 2 minutes and up to 500 meters. Find the speed of the truck?a)27km/hrb)30km/hrc)32km/hrd)42km/hre)None of theseCorrect answer is option 'B'. Can you explain this answer?
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