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Two trains of 135 meters length each are running in opposite direction

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Two trains of 135 meters length each are running in opposite direction  [#permalink]

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New post 28 Jan 2019, 03:27
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62% (01:16) correct 38% (00:51) wrong based on 11 sessions

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Two trains of 135 meters length each are running in opposite direction. If they cross each other in 18 seconds, then what is the speed of the train?


A. 27 km/h

B. 30 km/h

C. 36 km/h

D. 48 km/h

E. 54 km/h

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Two trains of 135 meters length each are running in opposite direction  [#permalink]

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New post Updated on: 28 Jan 2019, 05:24
Bunuel wrote:
Two trains of 135 meters length each are running in opposite direction. If they cross each other in 18 seconds, then what is the speed of the train?


A. 27 km/h

B. 30 km/h

C. 36 km/h

D. 48 km/h

E. 54 km/h


distance 135/1000
time 18/3600

d= s*t
135/1000 * 60 * 60 /18= speed
IMO A 27 Kmph
or combined speed 27 * 2 = 54 kmph
Bunuel ; not clear whether both trains are moving in same speed?
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Originally posted by Archit3110 on 28 Jan 2019, 05:00.
Last edited by Archit3110 on 28 Jan 2019, 05:24, edited 2 times in total.
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Re: Two trains of 135 meters length each are running in opposite direction  [#permalink]

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New post 28 Jan 2019, 05:15
faulty question is both train travelling in same speed
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Re: Two trains of 135 meters length each are running in opposite direction   [#permalink] 28 Jan 2019, 05:15
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Two trains of 135 meters length each are running in opposite direction

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