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1409

Q:

A train 270 meters long is running at a speed of 36 km per hour then it will cross a bridge of length 180 meters in : 

  • 1
    40 sec
  • 2
    45 sec 
  • 3
    50 sec 
  • 4
    35 sec
  • Show Answer
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Answer : 2. "45 sec "
Explanation :

According to the question the total distance will be (270+180)=450 meter
the speed of train will be in 10 m/sec
so that we knew that D=Speed Χ Time
450=10ΧTime
then Time will be 45 sec

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