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

[Q]: Problem: there are 750 male and female participants in a meeting . half the female participants and one - quarterof the male participants are democrats . one - third of all the participants are democrats . how many of the democrats are female ?
[A]: 125

[Q]: Problem: the s . i . on a certain sum of money for 2 years at 8 % per annum is half the c . i . on rs . 4000 for 2 years at 10 % per annum . the sum placed on s . i . is ?
[A]: 262

[Q]: Problem: the population of a town is 8000 . it decreases annually at the rate of 30 % p . a . what will be its population after 2 years ?
[A]:
3920