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A train runs at 90 km/h. It crosses a pole in 20 seconds. What is the length of the train?
  1. 520 m
  2. 450 m
  3. 500 m
  4. None of these
Explanation

Given:

Speed = 90 km/h

Time = 20 seconds

First, convert speed to m/s:

Speed = 90 km/h × (1000 m/km) / (3600 s/h)

Speed = 25 m/s

Length of the train = Speed × Time

Length = 25 m/s × 20 s

Length = 500 m

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  1. 60 km/h
  2. 58 km/h
  3. 56 km/h
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  1. 22 sec
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  3. 24 sec
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اس سوال کو وضاحت کے ساتھ پڑھیں

  1. 2 hours
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اس سوال کو وضاحت کے ساتھ پڑھیں

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  2. 3 km
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  4. 5 km
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