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

[EX Q]: Problem: mixture contains alcohol and water in the ratio 4 : 3 . if 5 liters of water is added to the mixture , the ratio becomes 4 : 5 . find the quantity of alcohol in the given mixture .
[EX A]: 10

[EX Q]: Problem: how many integers between 324,700 and 458,600 have tens digit 1 and units digit 3 ?
[EX A]: 1,33

[EX Q]: Problem: in a certain business school class , p students are accounting majors , q students are finance majors , r students are marketing majors , and s students are strategy majors . if pqrs = 1365 , and if 1 < p < q < r < s , how many students in the class are strategy majors ?
[EX A]:
1