One-quarter of 24 action figures is 24*(1/4) = <<24*(1/4)=6>>6
She sold off 6 action figures so she has 24-6 = <<24-6=18>>18 left
One-third of 18 is 18*(1/3) = <<18*(1/3)=6>>6
She gave out 6 so she has 18-6 = <<18-6=12>>12 left
#### 12