Problems on Trains - Quantitative Aptitude (MCQ) questions for Q. 20761

Q.  How long does a train 90 metres long running at the speed of 71 km/hr take to cross a bridge 132 metres in length?
- Published on 07 Jul 17

a. 9.8 sec
b. 11.26 sec
c. 12.42 sec
d. 14.3 sec

ANSWER: 11.26 sec
 
Speed = (71 x 5/18) m/sec = 19.72 m/sec
Total distance covered = (90 + 132) m = 222 m.
Required time = (222/19.72) sec = 11.26 sec

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