How Much Time Train Will Take Time to Cross the Bridge?If

How many seconds will a train 120 metres long running at the rate of 36 km/ hr take to cross a bridge of 360 metres in length?

  1. 48 sec.
  2. 36 sec.
  3. 40 sec.
  4. 46 sec.
Monis Rasool Professor Asked on 7th July 2015 in Maths.
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1 Answer(s)

Answer: (1) 48 sec.
Explanation:-
The speed of train = 36 km/h
Speed of train in m/sec = 36 x 5/18 = 10 m/sec
Total distance covered by train = 120 + 360 = 480 m.
Time taken by train to covered the total distance = 480/10 = 48 sec.
Hence, the answer is (1) 48 sec.

Anurag Mishra Professor Answered on 8th July 2015.
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