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

[EX Q]: Problem: two cubes have their volumes are in the ratio 1 : 27 . find the ratio of their surface area ?
[EX A]: 1 : 9', 'd ) 2 : 7', 'e ) 3 : 11'

[EX Q]: Problem: a jogger running at 9 kmph along side a railway track is 260 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction . in how much time will the train pass the jogger ?
[EX A]: 38 sec

[EX Q]: Problem: calculate the sum of first 60 natural numbers .
[EX A]:
1830