0 0 votes An express train moving at the rate of $80$ km per hour overtakes completely a good train twice as long and moving on a parallel line in the same direction at the rate of $40$ km per hour in $54$ seconds. How long will the express train take to completely pass through a station $4000$ meters in length? $54$ seconds $27$ seconds $18$ seconds None of these Quantitative Aptitude cat1997 quantitative-aptitude time-and-distance + – Misbah Ghaya 8.9k points 1.2k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.