Chapter 11 - Section 11.2 - Torque and the Vector Cross Product - Got It? - Page 198: 11.2

1) Torque 3 2) Torque 5 3) Torque 1 4) Torque 4

In order to figure out the corresponding torque vector, use the right hand rule. Start with your four fingers pointing toward $\vec{r}$. Then, curl these fingers toward $\vec{F}$. Your thumb will then point toward the correct torque vector.