ibps-so 2018 · Question 303 of 356

A surveyor deputed to report upon a private siding for which the branch had been asked to nance a warehouse timed two goods trains as they passed one another upon the parallel tracks running beside the siding. The rst of the two was 260 metres in length and was running at a uniform 48 kilometres an hour, and the second was 190 metres in length and was running at a uniform 42 kilometres an hour in the direction opposite to that of the rst. Neither train slackened or quickened its pace at any point. How long did the two trains take to cross one another completely, reckoned from the moment at which the two engines came abreast to the moment at which the last of the two rear coaches parted from the other?

1. A15 seconds
2. B20 seconds
3. C22 seconds
4. D18 secondsCorrect
5. E16 seconds