The task is to generate the correct answer for a given math problem.

[Q]: Problem: a 270 metres long bullet train running at the speed of 120 kmph crosses another bullet train running in opposite direction at the speed of 80 kmph in 9 seconds . what is the length of the other bullet train ?
[A]: 230


[Q]: Problem: a train running at the speed of 40 km / hr crosses a pole in 9 seconds . what is the length of the train ?
[A]: 100 meter


[Q]: Problem: a rectangle measures 8 cm on length and its diagonal measures 17 cm . what is the perimeter of the rectangle ?
[A]:
46 cm', 'd ) 49 cm', 'e ) 41 cm'