Two trains of equal length running with the speeds of 40kmph and 60 kmph take 40 seconds to cross ea...........

Quantitative Aptitude ( CCS) Problems on trains

Two trains of equal length, running with the speeds of 40kmph and 60 kmph, take 40 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions ?

8 sec.

10 sec.

12 sec.

9 sec.

छोटे Courses बड़े Results

Master Problems on trains

Prepare through Micro-courses

Try Now

Explanation:

Relative Speed = (60 -40) = 20 x 5/18 = 100/18
Time = 40
Distance = 40 x 100/18 = 2000/9
Relative Speed = 60 + 40 = 100 x 5/18
Time = (2000*18)/(9*500) = 8 sec.