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

[Q]: Problem: last year a worker saved 4 % of her annual salary . this year , she made 10 % more money than last year and she saved 5 % of her salary . the amount she saved this year was what percent of the amount she saved last year ?
[A]: 137.5 %


[Q]: Problem: if x is to be chosen at random from the set { 1 , 2 , 3 , 4 } and y is to be chosen at random from the set { 6 , 7 } , what is the probability that xy will be even ?
[A]: 1 / 6


[Q]: Problem: a , b , c can complete a piece of work in 25 , 5,10 days . working together , they complete the same work in how many days ?
[A]:
50 / 17