Subject: General Aptitude · Chapter: Problems on Trains · Exam: 2003 · Marks: · Difficulty:
Two trains of equal length are running on parallel lines in the same direction at 46 km / hr and 36 km / hr. The faster train passes the slower train in 36 seconds. The length of each train is
(a)50 m
(b)72 m
(c)80 m
(d)82 m
Answer
Answer (as printed): A
Explanation
Let the length of each train be $x$ metres. Then, distance covered $=2 x$ metres. Relative speed $=(46-36) \mathrm{km} / \mathrm{hr}$
Explanation as extracted from the printed page; notation may be imperfect.