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

[Q]: Problem: 13 buckets of water fill a tank when the capacity of each bucket is 42 litres . how many buckets will be needed to fill the same tank , if the capacity of each bucket is 6 litres ?
[A]: 91


[Q]: Problem: a , b and c rents a pasture for rs . 730 . a put in 12 horses for 8 months , b 16 horses for 9 months and 18 horses for 6 months . how much should c pay ?
[A]: 22


[Q]: Problem: the l . c . m of two numbers is 2310 and their h . c . f is 30 . if one number is 385 the other is
[A]:
180