Aptitude - Problems on Trains - Discussion

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Q.

Two trains 137 metres and 163 metres in length are running towards each other on parallel lines, one at the rate of 42 kmph and another at 48 kmpb. In what time will they be clear of each other from the moment they meet?  .                          
A. 12 sec B. 15 sec
C. 9 sec D. 10 sec

Answer: Option A
Explaination:

 


Discussion

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