If force (F), work (W) and velocity (v) are taken as fundamental quantities. What is the dimensional formula of time (T)?

Q. If force (F), work (W) and velocity (v) are taken as fundamental quantities. What is the dimensional formula of time (T)?
- [WFv]
- [WFv-1]
- [W-1F -1v]
- [WF-1v -1]
Answer: [WF-1v -1]