A 270 m long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds.What is the length of the other train?
Answers
A) 230 m
B) 240 m
C) 260 m
D) 320 m
E) 350 m
speed of first train= (120 * 5/18)m/sec   = 100/3 m/sec   speed of other Train= (80 * 5/18)m/sec   = 200/9 m/sec   time to cross each other= 9 sec   Let x be the length of 2nd train   therefore 9 = (270+ x)/(100/3 +200/9)   500 = 270 + x   230m = x   230 mNSWER:230 m
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A 270 m long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds.What is the length of the other train?